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Friedrich Schöller 2017-05-11 22:45:59 +02:00
parent 4c10ac711a
commit 6ae989fdee
1 changed files with 23 additions and 17 deletions
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src/main.cpp
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@ -60,27 +60,33 @@ static void usage()
{
printf(
"Hans - IP over ICMP version 1.0\n\n"
"RUN AS SERVER\n"
" hans -s network [-fvr] [-p password] [-u unprivileged_user] [-d tun_device] [-m reference_mtu] [-a ip]\n\n"
"RUN AS CLIENT\n"
" hans -c server [-fv] [-p password] [-u unprivileged_user] [-d tun_device] [-m reference_mtu] [-w polls]\n\n"
" hans -c server [-fv] [-p passphrase] [-u user] [-d tun_device]\n"
" [-m reference_mtu] [-w polls]\n\n"
"RUN AS SERVER (linux only)\n"
" hans -s network [-fvr] [-p passphrase] [-u user] [-d tun_device]\n"
" [-m reference_mtu] [-a ip]\n\n"
"ARGUMENTS\n"
" -s network Run as a server with the given network address for the virtual interface. Linux only!\n"
" -c server Connect to a server.\n"
" -c server Run as client. Connect to given server address.\n"
" -s network Run as server. Use given network address on virtual interfaces.\n"
" -p passphrase Set passphrase.\n"
" -u username Change user under which the program runs.\n"
" -a ip Request assignment of given tunnel ip address from the server.\n"
" -r Respond to ordinary pings in server mode.\n"
" -d device Use given tun device.\n"
" -m mtu Set maximum echo packet size. This should correspond to the MTU\n"
" of the network between client and server, which is usually 1500\n"
" over Ethernet. Has to be the same on client and server. Defaults\n"
" to 1500.\n"
" -w polls Number of echo requests the client sends in advance for the\n"
" server to reply to. 0 disables polling, which is the best choice\n"
" if the network allows unlimited echo replies. Defaults to 10.\n"
" -i Change echo id on every echo request. May help with buggy\n"
" routers. May impact performance with others.\n"
" -q Change echo sequence number on every echo request. May help with\n"
" buggy routers. May impact performance with others.\n"
" -f Run in foreground.\n"
" -v Print debug information.\n"
" -r Respond to ordinary pings. Only in server mode.\n"
" -p password Use a password.\n"
" -u username Set the user under which the program should run.\n"
" -d device Use the given tun device.\n"
" -m mtu Use this mtu to calculate the tunnel mtu.\n"
" The generated echo packets will not be bigger than this value.\n"
" Has to be the same on client and server. Defaults to 1500.\n"
" -w polls Number of echo requests the client sends to the server for polling.\n"
" 0 disables polling. Defaults to 10.\n"
" -i Change the echo id for every echo request.\n"
" -q Change the echo sequence number for every echo request.\n"
" -a ip Try to get assigned the given tunnel ip address.\n"
);
}