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Using iChat with a firewall or NAT router
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IPCHECK(8) System Administration Utilities IPCHECK(8) NAME
ipcheck - dyndns.org client DESCRIPTION
Usage : ipcheck.py [options] Username Password Hostnames or ipcheck.py [options] --acctfile acct_info_file Options: -a address manually specify the address -r URL NAT router, use web IP detection -A text scan syslog for an IP after text (Unix only) -F filename guess the WAN IP from a firewall log -b backup mx option ON (default OFF) -c custom dns option (default dynamic) -d dir directory for data files (default current) -e script execute script after a successful update -f force update regardless of current state -g NAT router, let dyndns guess your IP (do not use this in a cronjob, try -r) -h print this help text --help print all available help text -i interface interface for local address (default ppp0) -j disable https -l log debugging text to ipcheck.log file --syslog log debugging text to syslog (Unix only) -m mxhost mx host (default NOCHG) -o set dyndns offline mode -p proxy bypass on port 8245 -q quiet mode (unless there is an error) -s static dns option (default dynamic) -t test run, do not send the update -v verbose mode -w wildcard mode ON (default OFF) --makedat create the ipcheck.dat file by dns lookup --devices print router options (Linksys, Netgear, etc) -n ip the router IP address on the internal lan For help with different options: python ipcheck.py -h For supported devices listing : python ipcheck.py --devices For long detailed help text : python ipcheck.py --help Make sure you can write to the current directory for data files and that you always run from the same directory. The first time you run the script, you will be asked to run with the --makedat option in addition to any other options. This will create the data files for the hostnames and options your specify on the command line. You should only do this once. Subsequent runs should be made without the --make- dat option. For help with different options: python ipcheck.py -h For supported devices listing : python ipcheck.py --devices For long detailed help text : python ipcheck.py --help Example 1: the external IP is on eth0 of the current machine python ipcheck.py -l -i eth0 username password hostnames Example 2: you are using the Linksys routing device python ipcheck.py -l -L linksyspassword username password hostnames Example 3: you want to use web based ip detection python ipcheck.py -l -r checkip.dyndns.org:8245 ... where ... is your dyndns username password and hostnames. Hostnames should be comma delimited if there are more than one. Debian GNU/Linux January 2012 IPCHECK(8)
