Re: POP3 problems (?) through Cisco NAT (RE: (no subject))

["Terry Bertrand" <tfbsr () hotmail com>]

Thanks, yes that was the problem .... someone mentioned that in a previous 
email and it is working Ok now..

Thanks to all
Cheers


> From: "Loomis, Rip" <GILBERT.R.LOOMIS () saic com>
> To: 'Terry Bertrand' <tfbsr () hotmail com>
> CC: firewall-wizards () nfr com
> Subject: POP3 problems (?) through Cisco NAT (RE: [fw-wiz] (no subject))
> Date: Tue, 15 Jan 2002 12:58:09 -0500
>
> Terry--
>
> Looking at all the messages, and given that NAT is
> allowing you to "browse the inetrnet and all", is
> it possible that you need to specify more of a
> hostname then just "mail"?
>
> If I try to telnet to the POP3 port on my home ISP's
> mail server I get
>
> shell1:[/mnt/www/clark.net/ri/rip] telnet mail 110
> Trying 129.250.37.45...
> Connected to corporate.email.verio.net.
> Escape character is '^]'.
> +OK NTT/Verio POP3 (dfw-mmp4)
>
> but on that system "mail" gets properly looked up
> in DNS if only a bare hostname is supplied.  Perhaps
> the domain suffixes on your home systems aren't
> configured in this way...
>
> From the same system you're using Outlook Express on,
> try the following (this should work from a Command/DOS
> prompt):
>
>   telnet mail 110
>   telnet mail.myfreakin.isp.net
>
> substituting your real ISP in the latter command. If the
> second one works and the first one fails, then it's
> not a security problem (it's a sysadmin problem on
> your end).  If *neither* of them gives a successful
> connection, then let me know off-list and I'll try to
> help.  (In either case I'm pretty sure that this whole thread
> was off-topic, although that wasn't obvious at the
> beginning.)
>
> HTH--
>
>   --Rip
>
> > -----Original Message-----
> > From: Luca Berra [mailto:bluca () comedia it]
> > Sent: Monday, 14 January, 2002 19:13
> > To: firewall-wizards () nfr com
> > Subject: Re: [fw-wiz] (no subject)
> >
> >
> > On Sat, Jan 12, 2002 at 05:21:23PM -0500, Terry Bertrand wrote:
> > > I am running a cable network at home which includes a cisco
> > router.  I am
> > > able to access email from my cable provider using outlook
> > express without
> > > the router.  When I include the router which is running NAT
> > as part of the
> > > network I am unable to access mail using outlook.  Does
> > anyone have any idea
> > > as to what sort of access-list I would neet to access mail.
> > I have tried the
> > > following. the configuration of outlook express is
> > > out mail port 25
> > > in mail port 110
> > >
> > > access-list 105 permit tcp any any eq smtp (in)
> > > access-list 106 permit tcp any any eq smtp (out)
> >
> > i am lazy, so i will consider all that has been said about
> > ppl who can solve problems
> > and ppl who have no clue, and i will counsel you to add rule
> > to every list.
> >
> > access-list 105 deny ip any any log
> > access-list 106 deny ip any any log
> >
> > then look at the debug on your router.
> >
> > you will probably find out something interesting about the
> > difference of source and
> > destination ports and the fact that a cisco is stateless.
> > (btw if you don't even mention pop3 the router won't figure
> > it out by itself)




Terry


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