diff --git a/sslh-conf.c b/sslh-conf.c
index 8f8ac04..1a8136e 100644
--- a/sslh-conf.c
+++ b/sslh-conf.c
@@ -1,5 +1,5 @@
 /* Generated by conf2struct (https://www.rutschle.net/tech/conf2struct/README)
- * on Sat Jan 12 21:31:24 2019. */
+ * on Sun Jan 27 18:51:35 2019. */
 
 #define _GNU_SOURCE
 #include <string.h>
@@ -9,19 +9,15 @@
 
 static void sslhcfg_protocols_init(struct sslhcfg_protocols_item* cfg) {
         memset(cfg, 0, sizeof(*cfg));
-	cfg->name = "";
-	cfg->host = "";
-	cfg->port = "";
-	cfg->service = NULL;
 	cfg->fork = 0;
 	cfg->log_level = 1;
 	cfg->keepalive = 0;
+	cfg->minlength = 0;
+	cfg->maxlength = 0;
 }
 
 static void sslhcfg_listen_init(struct sslhcfg_listen_item* cfg) {
         memset(cfg, 0, sizeof(*cfg));
-	cfg->host = "";
-	cfg->port = "";
 	cfg->keepalive = 0;
 }
 
@@ -33,9 +29,6 @@ static void sslhcfg_init(struct sslhcfg_item* cfg) {
 	cfg->numeric = 0;
 	cfg->transparent = 0;
 	cfg->timeout = 5;
-	cfg->user = NULL;
-	cfg->pidfile = NULL;
-	cfg->chroot = NULL;
 	cfg->syslog_facility = "auth";
 	cfg->on_timeout = "ssh";
 }
@@ -148,6 +141,18 @@ static int sslhcfg_protocols_parser(
                 sslhcfg_protocols->regex_patterns[i] = config_setting_get_string(s);
             }
         }
+        if (config_setting_lookup(cfg, "minlength")) {
+            if (config_setting_lookup_int(cfg, "minlength", &sslhcfg_protocols->minlength) == CONFIG_FALSE) {
+                *errmsg = "Parsing of option \"minlength\" failed";
+                return 0;
+            } ;
+        }
+        if (config_setting_lookup(cfg, "maxlength")) {
+            if (config_setting_lookup_int(cfg, "maxlength", &sslhcfg_protocols->maxlength) == CONFIG_FALSE) {
+                *errmsg = "Parsing of option \"maxlength\" failed";
+                return 0;
+            } ;
+        }
 	return 1;
 }
 
@@ -378,6 +383,10 @@ static void sslhcfg_protocols_print(
             indent(depth+1);
             printf("%d:\t%s\n", i, sslhcfg_protocols->regex_patterns[i]);
         }
+        indent(depth);
+        printf("minlength: %d\n", sslhcfg_protocols->minlength);
+        indent(depth);
+        printf("maxlength: %d\n", sslhcfg_protocols->maxlength);
 }
 
 static void sslhcfg_listen_print(
@@ -565,30 +574,30 @@ int sslhcfg_cl_parse(int argc, char* argv[], struct sslhcfg_item* cfg) {
             exit(1);
         }
         res = regexec(&preg, sslhcfg_listen->sval [cl_i], MAX_MATCH, &pmatch[0], 0);
-        if (!res) {
-            int param_len, i, found = 0;
-            struct sslhcfg_listen_item* group;
-
-/* No search for override */
-            if (!found) {
-                cfg->listen_len++;
-                cfg->listen = realloc(cfg->listen, cfg->listen_len * sizeof(*cfg->listen));
-                group = & cfg->listen [cfg->listen_len - 1];
-            } else {
-                group = & cfg->listen [found];
-            }
-
-            sslhcfg_listen_init(group);
-            param_len = pmatch[1].rm_eo - pmatch[1].rm_so;
-            group->host = calloc(1, param_len + 1);
-            memcpy(group->host, sslhcfg_listen->sval [cl_i]+pmatch[1].rm_so, param_len);
-            param_len = pmatch[2].rm_eo - pmatch[2].rm_so;
-            group->port = calloc(1, param_len + 1);
-            memcpy(group->port, sslhcfg_listen->sval [cl_i]+pmatch[2].rm_so, param_len);
-        } else {
+        if (res) {
             fprintf(stderr, "--listen %s: Illegal argument\n", sslhcfg_listen->sval [cl_i]);
             exit(1);
         }
+        
+        int param_len, i, found = -1;
+        struct sslhcfg_listen_item* group;
+
+/* No search for override */        if (found == -1) {
+            cfg->listen_len++;
+            cfg->listen = realloc(cfg->listen, cfg->listen_len * sizeof(*cfg->listen));
+            group = & cfg->listen [cfg->listen_len - 1];
+        } else {
+            group = & cfg->listen [found];
+        }
+
+
+        sslhcfg_listen_init(group);
+        param_len = pmatch[1].rm_eo - pmatch[1].rm_so;
+        group->host = calloc(1, param_len + 1);
+        memcpy(group->host, sslhcfg_listen->sval [cl_i]+pmatch[1].rm_so, param_len);
+        param_len = pmatch[2].rm_eo - pmatch[2].rm_so;
+        group->port = calloc(1, param_len + 1);
+        memcpy(group->port, sslhcfg_listen->sval [cl_i]+pmatch[2].rm_so, param_len);
     }
 #define MAX_MATCH 10
     for (cl_i = 0; cl_i < sslhcfg_ssh->count; cl_i++) {
@@ -604,39 +613,40 @@ int sslhcfg_cl_parse(int argc, char* argv[], struct sslhcfg_item* cfg) {
             exit(1);
         }
         res = regexec(&preg, sslhcfg_ssh->sval [cl_i], MAX_MATCH, &pmatch[0], 0);
-        if (!res) {
-            int param_len, i, found = 0;
-            struct sslhcfg_protocols_item* group;
-
-            for (i = 0; i < cfg->protocols_len; i++) {
-                if (!strcmp(cfg->protocols [i].name, "ssh")) {
-                    found = i;
-                    break;
-                }
-            }
-
-            if (!found) {
-                cfg->protocols_len++;
-                cfg->protocols = realloc(cfg->protocols, cfg->protocols_len * sizeof(*cfg->protocols));
-                group = & cfg->protocols [cfg->protocols_len - 1];
-            } else {
-                group = & cfg->protocols [found];
-            }
-
-            sslhcfg_protocols_init(group);
-            param_len = 3;
-            group->name = calloc(1, param_len + 1);
-            memcpy(group->name, "ssh", param_len);
-            param_len = pmatch[1].rm_eo - pmatch[1].rm_so;
-            group->host = calloc(1, param_len + 1);
-            memcpy(group->host, sslhcfg_ssh->sval [cl_i]+pmatch[1].rm_so, param_len);
-            param_len = pmatch[2].rm_eo - pmatch[2].rm_so;
-            group->port = calloc(1, param_len + 1);
-            memcpy(group->port, sslhcfg_ssh->sval [cl_i]+pmatch[2].rm_so, param_len);
-        } else {
+        if (res) {
             fprintf(stderr, "--ssh %s: Illegal argument\n", sslhcfg_ssh->sval [cl_i]);
             exit(1);
         }
+        
+        int param_len, i, found = -1;
+        struct sslhcfg_protocols_item* group;
+
+        for (i = 0; i < cfg->protocols_len; i++) {
+            if (!strncmp(cfg->protocols [i].name, "ssh",
+                         3)) {
+                found = i;
+                break;
+            }
+        }
+        if (found == -1) {
+            cfg->protocols_len++;
+            cfg->protocols = realloc(cfg->protocols, cfg->protocols_len * sizeof(*cfg->protocols));
+            group = & cfg->protocols [cfg->protocols_len - 1];
+        } else {
+            group = & cfg->protocols [found];
+        }
+
+
+        sslhcfg_protocols_init(group);
+        param_len = 3;
+        group->name = calloc(1, param_len + 1);
+        memcpy(group->name, "ssh", param_len);
+        param_len = pmatch[1].rm_eo - pmatch[1].rm_so;
+        group->host = calloc(1, param_len + 1);
+        memcpy(group->host, sslhcfg_ssh->sval [cl_i]+pmatch[1].rm_so, param_len);
+        param_len = pmatch[2].rm_eo - pmatch[2].rm_so;
+        group->port = calloc(1, param_len + 1);
+        memcpy(group->port, sslhcfg_ssh->sval [cl_i]+pmatch[2].rm_so, param_len);
     }
 #define MAX_MATCH 10
     for (cl_i = 0; cl_i < sslhcfg_tls->count; cl_i++) {
@@ -652,39 +662,40 @@ int sslhcfg_cl_parse(int argc, char* argv[], struct sslhcfg_item* cfg) {
             exit(1);
         }
         res = regexec(&preg, sslhcfg_tls->sval [cl_i], MAX_MATCH, &pmatch[0], 0);
-        if (!res) {
-            int param_len, i, found = 0;
-            struct sslhcfg_protocols_item* group;
-
-            for (i = 0; i < cfg->protocols_len; i++) {
-                if (!strcmp(cfg->protocols [i].name, "tls")) {
-                    found = i;
-                    break;
-                }
-            }
-
-            if (!found) {
-                cfg->protocols_len++;
-                cfg->protocols = realloc(cfg->protocols, cfg->protocols_len * sizeof(*cfg->protocols));
-                group = & cfg->protocols [cfg->protocols_len - 1];
-            } else {
-                group = & cfg->protocols [found];
-            }
-
-            sslhcfg_protocols_init(group);
-            param_len = 3;
-            group->name = calloc(1, param_len + 1);
-            memcpy(group->name, "tls", param_len);
-            param_len = pmatch[1].rm_eo - pmatch[1].rm_so;
-            group->host = calloc(1, param_len + 1);
-            memcpy(group->host, sslhcfg_tls->sval [cl_i]+pmatch[1].rm_so, param_len);
-            param_len = pmatch[2].rm_eo - pmatch[2].rm_so;
-            group->port = calloc(1, param_len + 1);
-            memcpy(group->port, sslhcfg_tls->sval [cl_i]+pmatch[2].rm_so, param_len);
-        } else {
+        if (res) {
             fprintf(stderr, "--tls %s: Illegal argument\n", sslhcfg_tls->sval [cl_i]);
             exit(1);
         }
+        
+        int param_len, i, found = -1;
+        struct sslhcfg_protocols_item* group;
+
+        for (i = 0; i < cfg->protocols_len; i++) {
+            if (!strncmp(cfg->protocols [i].name, "tls",
+                         3)) {
+                found = i;
+                break;
+            }
+        }
+        if (found == -1) {
+            cfg->protocols_len++;
+            cfg->protocols = realloc(cfg->protocols, cfg->protocols_len * sizeof(*cfg->protocols));
+            group = & cfg->protocols [cfg->protocols_len - 1];
+        } else {
+            group = & cfg->protocols [found];
+        }
+
+
+        sslhcfg_protocols_init(group);
+        param_len = 3;
+        group->name = calloc(1, param_len + 1);
+        memcpy(group->name, "tls", param_len);
+        param_len = pmatch[1].rm_eo - pmatch[1].rm_so;
+        group->host = calloc(1, param_len + 1);
+        memcpy(group->host, sslhcfg_tls->sval [cl_i]+pmatch[1].rm_so, param_len);
+        param_len = pmatch[2].rm_eo - pmatch[2].rm_so;
+        group->port = calloc(1, param_len + 1);
+        memcpy(group->port, sslhcfg_tls->sval [cl_i]+pmatch[2].rm_so, param_len);
     }
 #define MAX_MATCH 10
     for (cl_i = 0; cl_i < sslhcfg_openvpn->count; cl_i++) {
@@ -700,39 +711,40 @@ int sslhcfg_cl_parse(int argc, char* argv[], struct sslhcfg_item* cfg) {
             exit(1);
         }
         res = regexec(&preg, sslhcfg_openvpn->sval [cl_i], MAX_MATCH, &pmatch[0], 0);
-        if (!res) {
-            int param_len, i, found = 0;
-            struct sslhcfg_protocols_item* group;
-
-            for (i = 0; i < cfg->protocols_len; i++) {
-                if (!strcmp(cfg->protocols [i].name, "openvpn")) {
-                    found = i;
-                    break;
-                }
-            }
-
-            if (!found) {
-                cfg->protocols_len++;
-                cfg->protocols = realloc(cfg->protocols, cfg->protocols_len * sizeof(*cfg->protocols));
-                group = & cfg->protocols [cfg->protocols_len - 1];
-            } else {
-                group = & cfg->protocols [found];
-            }
-
-            sslhcfg_protocols_init(group);
-            param_len = 7;
-            group->name = calloc(1, param_len + 1);
-            memcpy(group->name, "openvpn", param_len);
-            param_len = pmatch[1].rm_eo - pmatch[1].rm_so;
-            group->host = calloc(1, param_len + 1);
-            memcpy(group->host, sslhcfg_openvpn->sval [cl_i]+pmatch[1].rm_so, param_len);
-            param_len = pmatch[2].rm_eo - pmatch[2].rm_so;
-            group->port = calloc(1, param_len + 1);
-            memcpy(group->port, sslhcfg_openvpn->sval [cl_i]+pmatch[2].rm_so, param_len);
-        } else {
+        if (res) {
             fprintf(stderr, "--openvpn %s: Illegal argument\n", sslhcfg_openvpn->sval [cl_i]);
             exit(1);
         }
+        
+        int param_len, i, found = -1;
+        struct sslhcfg_protocols_item* group;
+
+        for (i = 0; i < cfg->protocols_len; i++) {
+            if (!strncmp(cfg->protocols [i].name, "openvpn",
+                         7)) {
+                found = i;
+                break;
+            }
+        }
+        if (found == -1) {
+            cfg->protocols_len++;
+            cfg->protocols = realloc(cfg->protocols, cfg->protocols_len * sizeof(*cfg->protocols));
+            group = & cfg->protocols [cfg->protocols_len - 1];
+        } else {
+            group = & cfg->protocols [found];
+        }
+
+
+        sslhcfg_protocols_init(group);
+        param_len = 7;
+        group->name = calloc(1, param_len + 1);
+        memcpy(group->name, "openvpn", param_len);
+        param_len = pmatch[1].rm_eo - pmatch[1].rm_so;
+        group->host = calloc(1, param_len + 1);
+        memcpy(group->host, sslhcfg_openvpn->sval [cl_i]+pmatch[1].rm_so, param_len);
+        param_len = pmatch[2].rm_eo - pmatch[2].rm_so;
+        group->port = calloc(1, param_len + 1);
+        memcpy(group->port, sslhcfg_openvpn->sval [cl_i]+pmatch[2].rm_so, param_len);
     }
 #define MAX_MATCH 10
     for (cl_i = 0; cl_i < sslhcfg_tinc->count; cl_i++) {
@@ -748,39 +760,40 @@ int sslhcfg_cl_parse(int argc, char* argv[], struct sslhcfg_item* cfg) {
             exit(1);
         }
         res = regexec(&preg, sslhcfg_tinc->sval [cl_i], MAX_MATCH, &pmatch[0], 0);
-        if (!res) {
-            int param_len, i, found = 0;
-            struct sslhcfg_protocols_item* group;
-
-            for (i = 0; i < cfg->protocols_len; i++) {
-                if (!strcmp(cfg->protocols [i].name, "openvpn")) {
-                    found = i;
-                    break;
-                }
-            }
-
-            if (!found) {
-                cfg->protocols_len++;
-                cfg->protocols = realloc(cfg->protocols, cfg->protocols_len * sizeof(*cfg->protocols));
-                group = & cfg->protocols [cfg->protocols_len - 1];
-            } else {
-                group = & cfg->protocols [found];
-            }
-
-            sslhcfg_protocols_init(group);
-            param_len = 7;
-            group->name = calloc(1, param_len + 1);
-            memcpy(group->name, "openvpn", param_len);
-            param_len = pmatch[1].rm_eo - pmatch[1].rm_so;
-            group->host = calloc(1, param_len + 1);
-            memcpy(group->host, sslhcfg_tinc->sval [cl_i]+pmatch[1].rm_so, param_len);
-            param_len = pmatch[2].rm_eo - pmatch[2].rm_so;
-            group->port = calloc(1, param_len + 1);
-            memcpy(group->port, sslhcfg_tinc->sval [cl_i]+pmatch[2].rm_so, param_len);
-        } else {
+        if (res) {
             fprintf(stderr, "--tinc %s: Illegal argument\n", sslhcfg_tinc->sval [cl_i]);
             exit(1);
         }
+        
+        int param_len, i, found = -1;
+        struct sslhcfg_protocols_item* group;
+
+        for (i = 0; i < cfg->protocols_len; i++) {
+            if (!strncmp(cfg->protocols [i].name, "openvpn",
+                         7)) {
+                found = i;
+                break;
+            }
+        }
+        if (found == -1) {
+            cfg->protocols_len++;
+            cfg->protocols = realloc(cfg->protocols, cfg->protocols_len * sizeof(*cfg->protocols));
+            group = & cfg->protocols [cfg->protocols_len - 1];
+        } else {
+            group = & cfg->protocols [found];
+        }
+
+
+        sslhcfg_protocols_init(group);
+        param_len = 7;
+        group->name = calloc(1, param_len + 1);
+        memcpy(group->name, "openvpn", param_len);
+        param_len = pmatch[1].rm_eo - pmatch[1].rm_so;
+        group->host = calloc(1, param_len + 1);
+        memcpy(group->host, sslhcfg_tinc->sval [cl_i]+pmatch[1].rm_so, param_len);
+        param_len = pmatch[2].rm_eo - pmatch[2].rm_so;
+        group->port = calloc(1, param_len + 1);
+        memcpy(group->port, sslhcfg_tinc->sval [cl_i]+pmatch[2].rm_so, param_len);
     }
 #define MAX_MATCH 10
     for (cl_i = 0; cl_i < sslhcfg_xmpp->count; cl_i++) {
@@ -796,39 +809,40 @@ int sslhcfg_cl_parse(int argc, char* argv[], struct sslhcfg_item* cfg) {
             exit(1);
         }
         res = regexec(&preg, sslhcfg_xmpp->sval [cl_i], MAX_MATCH, &pmatch[0], 0);
-        if (!res) {
-            int param_len, i, found = 0;
-            struct sslhcfg_protocols_item* group;
-
-            for (i = 0; i < cfg->protocols_len; i++) {
-                if (!strcmp(cfg->protocols [i].name, "xmpp")) {
-                    found = i;
-                    break;
-                }
-            }
-
-            if (!found) {
-                cfg->protocols_len++;
-                cfg->protocols = realloc(cfg->protocols, cfg->protocols_len * sizeof(*cfg->protocols));
-                group = & cfg->protocols [cfg->protocols_len - 1];
-            } else {
-                group = & cfg->protocols [found];
-            }
-
-            sslhcfg_protocols_init(group);
-            param_len = 4;
-            group->name = calloc(1, param_len + 1);
-            memcpy(group->name, "xmpp", param_len);
-            param_len = pmatch[1].rm_eo - pmatch[1].rm_so;
-            group->host = calloc(1, param_len + 1);
-            memcpy(group->host, sslhcfg_xmpp->sval [cl_i]+pmatch[1].rm_so, param_len);
-            param_len = pmatch[2].rm_eo - pmatch[2].rm_so;
-            group->port = calloc(1, param_len + 1);
-            memcpy(group->port, sslhcfg_xmpp->sval [cl_i]+pmatch[2].rm_so, param_len);
-        } else {
+        if (res) {
             fprintf(stderr, "--xmpp %s: Illegal argument\n", sslhcfg_xmpp->sval [cl_i]);
             exit(1);
         }
+        
+        int param_len, i, found = -1;
+        struct sslhcfg_protocols_item* group;
+
+        for (i = 0; i < cfg->protocols_len; i++) {
+            if (!strncmp(cfg->protocols [i].name, "xmpp",
+                         4)) {
+                found = i;
+                break;
+            }
+        }
+        if (found == -1) {
+            cfg->protocols_len++;
+            cfg->protocols = realloc(cfg->protocols, cfg->protocols_len * sizeof(*cfg->protocols));
+            group = & cfg->protocols [cfg->protocols_len - 1];
+        } else {
+            group = & cfg->protocols [found];
+        }
+
+
+        sslhcfg_protocols_init(group);
+        param_len = 4;
+        group->name = calloc(1, param_len + 1);
+        memcpy(group->name, "xmpp", param_len);
+        param_len = pmatch[1].rm_eo - pmatch[1].rm_so;
+        group->host = calloc(1, param_len + 1);
+        memcpy(group->host, sslhcfg_xmpp->sval [cl_i]+pmatch[1].rm_so, param_len);
+        param_len = pmatch[2].rm_eo - pmatch[2].rm_so;
+        group->port = calloc(1, param_len + 1);
+        memcpy(group->port, sslhcfg_xmpp->sval [cl_i]+pmatch[2].rm_so, param_len);
     }
 #define MAX_MATCH 10
     for (cl_i = 0; cl_i < sslhcfg_http->count; cl_i++) {
@@ -844,39 +858,40 @@ int sslhcfg_cl_parse(int argc, char* argv[], struct sslhcfg_item* cfg) {
             exit(1);
         }
         res = regexec(&preg, sslhcfg_http->sval [cl_i], MAX_MATCH, &pmatch[0], 0);
-        if (!res) {
-            int param_len, i, found = 0;
-            struct sslhcfg_protocols_item* group;
-
-            for (i = 0; i < cfg->protocols_len; i++) {
-                if (!strcmp(cfg->protocols [i].name, "http")) {
-                    found = i;
-                    break;
-                }
-            }
-
-            if (!found) {
-                cfg->protocols_len++;
-                cfg->protocols = realloc(cfg->protocols, cfg->protocols_len * sizeof(*cfg->protocols));
-                group = & cfg->protocols [cfg->protocols_len - 1];
-            } else {
-                group = & cfg->protocols [found];
-            }
-
-            sslhcfg_protocols_init(group);
-            param_len = 4;
-            group->name = calloc(1, param_len + 1);
-            memcpy(group->name, "http", param_len);
-            param_len = pmatch[1].rm_eo - pmatch[1].rm_so;
-            group->host = calloc(1, param_len + 1);
-            memcpy(group->host, sslhcfg_http->sval [cl_i]+pmatch[1].rm_so, param_len);
-            param_len = pmatch[2].rm_eo - pmatch[2].rm_so;
-            group->port = calloc(1, param_len + 1);
-            memcpy(group->port, sslhcfg_http->sval [cl_i]+pmatch[2].rm_so, param_len);
-        } else {
+        if (res) {
             fprintf(stderr, "--http %s: Illegal argument\n", sslhcfg_http->sval [cl_i]);
             exit(1);
         }
+        
+        int param_len, i, found = -1;
+        struct sslhcfg_protocols_item* group;
+
+        for (i = 0; i < cfg->protocols_len; i++) {
+            if (!strncmp(cfg->protocols [i].name, "http",
+                         4)) {
+                found = i;
+                break;
+            }
+        }
+        if (found == -1) {
+            cfg->protocols_len++;
+            cfg->protocols = realloc(cfg->protocols, cfg->protocols_len * sizeof(*cfg->protocols));
+            group = & cfg->protocols [cfg->protocols_len - 1];
+        } else {
+            group = & cfg->protocols [found];
+        }
+
+
+        sslhcfg_protocols_init(group);
+        param_len = 4;
+        group->name = calloc(1, param_len + 1);
+        memcpy(group->name, "http", param_len);
+        param_len = pmatch[1].rm_eo - pmatch[1].rm_so;
+        group->host = calloc(1, param_len + 1);
+        memcpy(group->host, sslhcfg_http->sval [cl_i]+pmatch[1].rm_so, param_len);
+        param_len = pmatch[2].rm_eo - pmatch[2].rm_so;
+        group->port = calloc(1, param_len + 1);
+        memcpy(group->port, sslhcfg_http->sval [cl_i]+pmatch[2].rm_so, param_len);
     }
 #define MAX_MATCH 10
     for (cl_i = 0; cl_i < sslhcfg_adb->count; cl_i++) {
@@ -892,39 +907,40 @@ int sslhcfg_cl_parse(int argc, char* argv[], struct sslhcfg_item* cfg) {
             exit(1);
         }
         res = regexec(&preg, sslhcfg_adb->sval [cl_i], MAX_MATCH, &pmatch[0], 0);
-        if (!res) {
-            int param_len, i, found = 0;
-            struct sslhcfg_protocols_item* group;
-
-            for (i = 0; i < cfg->protocols_len; i++) {
-                if (!strcmp(cfg->protocols [i].name, "adb")) {
-                    found = i;
-                    break;
-                }
-            }
-
-            if (!found) {
-                cfg->protocols_len++;
-                cfg->protocols = realloc(cfg->protocols, cfg->protocols_len * sizeof(*cfg->protocols));
-                group = & cfg->protocols [cfg->protocols_len - 1];
-            } else {
-                group = & cfg->protocols [found];
-            }
-
-            sslhcfg_protocols_init(group);
-            param_len = 3;
-            group->name = calloc(1, param_len + 1);
-            memcpy(group->name, "adb", param_len);
-            param_len = pmatch[1].rm_eo - pmatch[1].rm_so;
-            group->host = calloc(1, param_len + 1);
-            memcpy(group->host, sslhcfg_adb->sval [cl_i]+pmatch[1].rm_so, param_len);
-            param_len = pmatch[2].rm_eo - pmatch[2].rm_so;
-            group->port = calloc(1, param_len + 1);
-            memcpy(group->port, sslhcfg_adb->sval [cl_i]+pmatch[2].rm_so, param_len);
-        } else {
+        if (res) {
             fprintf(stderr, "--adb %s: Illegal argument\n", sslhcfg_adb->sval [cl_i]);
             exit(1);
         }
+        
+        int param_len, i, found = -1;
+        struct sslhcfg_protocols_item* group;
+
+        for (i = 0; i < cfg->protocols_len; i++) {
+            if (!strncmp(cfg->protocols [i].name, "adb",
+                         3)) {
+                found = i;
+                break;
+            }
+        }
+        if (found == -1) {
+            cfg->protocols_len++;
+            cfg->protocols = realloc(cfg->protocols, cfg->protocols_len * sizeof(*cfg->protocols));
+            group = & cfg->protocols [cfg->protocols_len - 1];
+        } else {
+            group = & cfg->protocols [found];
+        }
+
+
+        sslhcfg_protocols_init(group);
+        param_len = 3;
+        group->name = calloc(1, param_len + 1);
+        memcpy(group->name, "adb", param_len);
+        param_len = pmatch[1].rm_eo - pmatch[1].rm_so;
+        group->host = calloc(1, param_len + 1);
+        memcpy(group->host, sslhcfg_adb->sval [cl_i]+pmatch[1].rm_so, param_len);
+        param_len = pmatch[2].rm_eo - pmatch[2].rm_so;
+        group->port = calloc(1, param_len + 1);
+        memcpy(group->port, sslhcfg_adb->sval [cl_i]+pmatch[2].rm_so, param_len);
     }
 #define MAX_MATCH 10
     for (cl_i = 0; cl_i < sslhcfg_socks5->count; cl_i++) {
@@ -940,39 +956,40 @@ int sslhcfg_cl_parse(int argc, char* argv[], struct sslhcfg_item* cfg) {
             exit(1);
         }
         res = regexec(&preg, sslhcfg_socks5->sval [cl_i], MAX_MATCH, &pmatch[0], 0);
-        if (!res) {
-            int param_len, i, found = 0;
-            struct sslhcfg_protocols_item* group;
-
-            for (i = 0; i < cfg->protocols_len; i++) {
-                if (!strcmp(cfg->protocols [i].name, "socks5")) {
-                    found = i;
-                    break;
-                }
-            }
-
-            if (!found) {
-                cfg->protocols_len++;
-                cfg->protocols = realloc(cfg->protocols, cfg->protocols_len * sizeof(*cfg->protocols));
-                group = & cfg->protocols [cfg->protocols_len - 1];
-            } else {
-                group = & cfg->protocols [found];
-            }
-
-            sslhcfg_protocols_init(group);
-            param_len = 6;
-            group->name = calloc(1, param_len + 1);
-            memcpy(group->name, "socks5", param_len);
-            param_len = pmatch[1].rm_eo - pmatch[1].rm_so;
-            group->host = calloc(1, param_len + 1);
-            memcpy(group->host, sslhcfg_socks5->sval [cl_i]+pmatch[1].rm_so, param_len);
-            param_len = pmatch[2].rm_eo - pmatch[2].rm_so;
-            group->port = calloc(1, param_len + 1);
-            memcpy(group->port, sslhcfg_socks5->sval [cl_i]+pmatch[2].rm_so, param_len);
-        } else {
+        if (res) {
             fprintf(stderr, "--socks5 %s: Illegal argument\n", sslhcfg_socks5->sval [cl_i]);
             exit(1);
         }
+        
+        int param_len, i, found = -1;
+        struct sslhcfg_protocols_item* group;
+
+        for (i = 0; i < cfg->protocols_len; i++) {
+            if (!strncmp(cfg->protocols [i].name, "socks5",
+                         6)) {
+                found = i;
+                break;
+            }
+        }
+        if (found == -1) {
+            cfg->protocols_len++;
+            cfg->protocols = realloc(cfg->protocols, cfg->protocols_len * sizeof(*cfg->protocols));
+            group = & cfg->protocols [cfg->protocols_len - 1];
+        } else {
+            group = & cfg->protocols [found];
+        }
+
+
+        sslhcfg_protocols_init(group);
+        param_len = 6;
+        group->name = calloc(1, param_len + 1);
+        memcpy(group->name, "socks5", param_len);
+        param_len = pmatch[1].rm_eo - pmatch[1].rm_so;
+        group->host = calloc(1, param_len + 1);
+        memcpy(group->host, sslhcfg_socks5->sval [cl_i]+pmatch[1].rm_so, param_len);
+        param_len = pmatch[2].rm_eo - pmatch[2].rm_so;
+        group->port = calloc(1, param_len + 1);
+        memcpy(group->port, sslhcfg_socks5->sval [cl_i]+pmatch[2].rm_so, param_len);
     }
 
 
diff --git a/sslh-conf.h b/sslh-conf.h
index 428d79d..551fa89 100644
--- a/sslh-conf.h
+++ b/sslh-conf.h
@@ -1,5 +1,5 @@
 /* Generated by conf2struct (https://www.rutschle.net/tech/conf2struct/README)
- * on Sat Jan 12 21:31:24 2019. */
+ * on Sun Jan 27 18:51:35 2019. */
  
 #ifndef C2S_SSLHCFG_H
 #define C2S_SSLHCFG_H
@@ -31,6 +31,8 @@ struct sslhcfg_protocols_item {
 	const char** alpn_protocols;
 	size_t	regex_patterns_len;
 	const char** regex_patterns;
+	int	minlength;
+	int	maxlength;
 	T_PROBE*	probe;
 	struct addrinfo*	saddr;
 	void*	data;
diff --git a/sslhconf.cfg b/sslhconf.cfg
index 0a9f54d..e77e378 100644
--- a/sslhconf.cfg
+++ b/sslhconf.cfg
@@ -80,6 +80,9 @@ config: {
                     type: "array",
                     element_type: "string"
                     },
+                    { name: "minlength"; type: "int"; default: 0 },
+                    { name: "maxlength"; type: "int"; default: 0 },
+
 
                     # Runtime data
                     { name: "probe"; type: "runtime"; c_type: "T_PROBE*" },