Argh! (Adelphia, E-mail, iptables, etc.)
ken at flyingtoasters.net
ken at flyingtoasters.net
Fri Aug 29 11:06:15 EDT 2003
Howdy, all. Adelphia -- God bless them -- has nixed my in-bound port 25,
so I can no longer receive e-mail on this account. Which is highly
annoying.
In summary, I can no longer receive SMTP, so I'm looking for:
some magic iptables recipe to re-direct port 25 from machine a (1.2.3.4)
to machine b (3.4.5.6). I've done some Googling and RTFMing, and I can
only see how to re-direct from one port to another on the same machine. I
assume that there's a way to do this, but I have no idea how. Can anyone
point me in the right direction?
Please "reply-to-all", so that this will also get sent to my work account
(kend at xanoptix.com). I would have sent it -from- my work account, except
that that's not a member of the GNHLUG list, and I'd have to wait for my
message to be moderated on through.
Thanks,
-Ken
P.S. Any suggestions on a good, readable iptables book? Since it seems
to have made it -- more or less unchanged -- into the 2.6 kernel, I'm
guessing that we might actually (*gasp*) have the same packet filtering
security mechanism around for a while.
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