I have had a love/hate relationship with diald for some time and,
having just had another round of odd behaviour, have decided to
replace it with straight PPP. Since I know specific times that I need
to have our internet link up the dial-on-demand feature isn't really
useful.
I'm doing the standard stuff -- log onto an ISP, use ipchains to
create a firewall and allow masquerading. I'm now using cron entries
to start/stop PPP at the required times. The only problem I have is
when the ISP disconnects for some reason. Normally when
/etc/sysconfig/network-scripts/ifup ppp0 is run, I can hook in the
firewall and masquerading with /etc/ppp/ip-up.local. I terminate the
firewall by flushing the ipchains entries when I shutdown PPP by
putting the approriate commands in /etc/ppp/ip-down.local. Everything
works just fine until I get rudely cut off, in which case my ipchains
rules are being flushed properly, apparently by /etc/ppp/ip-down.local
-- but when PPP, because of the "persist" option in options, redials
the ISP and the link is up the /etc/ppp/ip-up.local script appears to
be ignored. None of the machines can get out to the Internet and a
quick check of the ipchains rules in force shows that none are. e.g.
ipchains -L -n shows ACCEPTS for the three chains without anything.
I'm sure someone has seen this before but I couldn't seem to find
anything relavent in dejanews, er I mean google.com. I'm using RH6.2
with all current updates. Can anyone point me in the right
direction? Thanks!
Barry
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