ipop3d - port open, but no connection

I've gotten a Linux server set up, can see it from a web browser, and
all that. The problem is that I can't connect to it for POP3 mail
retrieval. nmap says the port is open, xinetd is running, and ipop3d
is supposedly working, too - but a telnet to port 110 results in
"Could not open connection to the host, on port 110: connect failed".

Any ideas/suggestions?

--
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Dorsai - Author of Erotic Fiction at
http://www.asstr.org/~Dorsai
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
Intelligence is not additive, it is subtractive: The intellectual
power of 1 genius is not improved by the addition of 99 idiots.

"Dorsai" <(E-Mail Removed)> wrote in message
news:Xns946F7FE433261dorsaiatmaildotcom@216.168.3. 44

> I've gotten a Linux server set up, can see it from a web browser, and
> all that. The problem is that I can't connect to it for POP3 mail
> retrieval. nmap says the port is open, xinetd is running, and ipop3d
> is supposedly working, too - but a telnet to port 110 results in
> "Could not open connection to the host, on port 110: connect failed".
> Any ideas/suggestions?

Perhaps your ipop3d requires an entry in /etc/hosts.allow ?

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"ynotssor" <"ynotssor"> banged on the keyboard until producing
news:(E-Mail Removed):

> "Dorsai" <(E-Mail Removed)> wrote in message
> news:Xns946F7FE433261dorsaiatmaildotcom@216.168.3. 44
>
>> I've gotten a Linux server set up, can see it from a web browser,
>> and all that. The problem is that I can't connect to it for POP3
>> mail retrieval. nmap says the port is open, xinetd is running,
>> and ipop3d is supposedly working, too - but a telnet to port 110
>> results in "Could not open connection to the host, on port 110:
>> connect failed". Any ideas/suggestions?
>
> Perhaps your ipop3d requires an entry in /etc/hosts.allow ?
>

Nope. A virtually identical machine next to it - where POP3 *does*
work - doesn't have anything in hosts.allow, either.

(scratches head, resumes banging head on keyboard)

--
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
Dorsai - Author of Erotic Fiction at
http://www.asstr.org/~Dorsai
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
Save the whales! Trade them for valuable prizes!

Dorsai <(E-Mail Removed)> wrote:
> "ynotssor" <"ynotssor"> banged on the keyboard until producing
> news:(E-Mail Removed):

>> Perhaps your ipop3d requires an entry in /etc/hosts.allow ?
>
> Nope. A virtually identical machine next to it - where POP3 *does*
> work - doesn't have anything in hosts.allow, either.

Does that other machine have anything in /etc/hosts.deny?

What about firewall? (iptables -L)

--
Cameron Kerr
(E-Mail Removed) : http://nzgeeks.org/cameron/
Empowered by Perl!

Cameron Kerr <(E-Mail Removed)> banged on the keyboard
until producing news:(E-Mail Removed):

> Dorsai <(E-Mail Removed)> wrote:
>> "ynotssor" <"ynotssor"> banged on the keyboard until producing
>> news:(E-Mail Removed):
>
>>> Perhaps your ipop3d requires an entry in /etc/hosts.allow ?
>>
>> Nope. A virtually identical machine next to it - where POP3 *does*
>> work - doesn't have anything in hosts.allow, either.
>
> Does that other machine have anything in /etc/hosts.deny?
>
> What about firewall? (iptables -L)
>

Negative on both - the machine sits by itself on the net; I've simply
turned off (not installed) the services it's not actually using, or
that aren't needed. All it runs are http, pop, smtp, and sendmail.

--
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
Dorsai - Author of Erotic Fiction at
http://www.asstr.org/~Dorsai
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
Never trust a government that doesn't trust YOU!

Dorsai <(E-Mail Removed)> wrote:
> I've gotten a Linux server set up, can see it from a web browser, and
> all that. The problem is that I can't connect to it for POP3 mail
> retrieval. nmap says the port is open, xinetd is running, and ipop3d
> is supposedly working, too - but a telnet to port 110 results in

What makes you suppose so? What do the logs say about ipop3?

> "Could not open connection to the host, on port 110: connect failed".

> Any ideas/suggestions?

If the server starts up at all, then replace it by a script that does a
strace of the real server to a log file. If it doesn't start up, it
either doesn't exist or your inetd entry points at the wrong place, or
you have configured hosts.allow/deny to disallow it.

Peter

Dorsai <(E-Mail Removed)> wrote:
> I've gotten a Linux server set up, can see it from a web browser, and
> all that. The problem is that I can't connect to it for POP3 mail
> retrieval. nmap says the port is open, xinetd is running, and ipop3d
> is supposedly working, too - but a telnet to port 110 results in
> "Could not open connection to the host, on port 110: connect failed".
>
> Any ideas/suggestions?

Change the command that xinetd runs from

/usr/sbin/tcpd in.pop3d

to

/usr/sbin/in.pop3d

restart xinetd and see if that works. If it does you know that tcpd is
at fault.

Another thing to try on the server would be the following

/usr/sbin/tcpdchk

/usr/sbin/tcpdmatch in.pop3d <clienthost>

You may need to change in.pop3d to pop3d

--
Cameron Kerr
(E-Mail Removed) : http://nzgeeks.org/cameron/
Empowered by Perl!

Cameron Kerr <(E-Mail Removed)> banged on the keyboard
until producing news:(E-Mail Removed):

> Dorsai <(E-Mail Removed)> wrote:
....
>> results in "Could not open connection to the host, on port 110:
>> connect failed".
....
> Change the command that xinetd runs from
>
> /usr/sbin/tcpd in.pop3d
>
> to
>
> /usr/sbin/in.pop3d
>
> restart xinetd and see if that works. If it does you know that
> tcpd is at fault.
>
> Another thing to try on the server would be the following
>
> /usr/sbin/tcpdchk
>
> /usr/sbin/tcpdmatch in.pop3d <clienthost>
>
> You may need to change in.pop3d to pop3d
>

That seems to have taken care of it. Many thanks!!

--
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
Dorsai - Author of Erotic Fiction at
http://www.asstr.org/~Dorsai
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
If God is your co-pilot, why are you such a lousy driver?