watchDhcpwatchDhcp is a simple script that lets you watch and react to a change in the system's IP address. | |
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watchDhcp Ranking & Summary
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- License:
- GPL
- Price:
- FREE
- Publisher Name:
- Keith Resar
- Publisher web site:
- http://heavyk.org/watchDhcp/
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watchDhcp Description
watchDhcp is a simple script that lets you watch and react to a change in the system's IP address. watchDhcp is a simple script that lets you watch and react to a change in the system's IP address. It is useful for automatically reconfiguring NAT, DNS, and firewall services.]This script has been written to help keep an unattended OpenBSD box working as a firewall on a cable modem. The box gets its IP through DHCP, and as such this can change. When the IP changes, there have been problems with NAT and IPF -- so these are restarted/reconfigured. Since the DNS records must also be updated, when the IP changes this information is mailed to a sent admin address, so the machine is never "lost".Whenever something else comes up that mucks up the machine, I add it to this script. So far so good, five months and counting.
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