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MAGI
n00b
Joined: 24 Sep 2005
Posts: 30
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 Posted: Tue Nov 01, 2005 12:11 am Post subject: ez-ipupdate update the wrong IP address |
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| My Gentoo Linux is running behind a router. When ez-ipupdate try to update the IP address, it sends the LAN IP address rather than the WAN IP address, how can I do with this issue ? |
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jsfan
Apprentice
Joined: 28 Dec 2004
Posts: 204
Location: Melbourne, Australia
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| Posted: Wed Nov 02, 2005 2:13 pm Post subject: |
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I don't think ez-ipupdate can deal with NAT-ted networks. You'd need a server outside that determines you public ip address. Dyndns.org even does so for you if you access it manually, but I don't think that you can use that info with ez-ipupdate.
Is your router unable to do the dynDNS updates? Some hw routers can do that for you, too. |
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langthang
Retired Dev
Joined: 27 Nov 2003
Posts: 620
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| Posted: Wed Nov 02, 2005 4:01 pm Post subject: |
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If you search the forum, there are many srcipts for ez-ipupdate. I run this one (don't remember where I got it from) with cron.
| Code: | #!/usr/bin/python
#
# Finds the external ip address of the gateway using a web checker
# then calls ez-ipupdate with the ip.
# Set up a cron job to call this every few minutes.
import urllib
import re
import os
page = urllib.urlopen("http://checkip.dyndns.org")
html = page.read()
ip = re.search(r"[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+", html)
if ip:
os.execl('/usr/sbin/ez-ipupdate','ez-ipupdate','-c','/path/to/myhost.dyndns.org.ipupdate.conf','-a', ip.group(0)) |
myhost.dyndns.org.ipupdate.conf is a config file for dyndns, read "/usr/share/doc/ez-ipupdate-*/examples/example-dyndns.conf.gz" for example. |
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Networking & Security
