Cisco POP3 forwarding
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Posted by siik on May 20, 2008, 12:51 am
Please log in for more thread options I have a Windows Server for SBS, and a cisco 837 router. I need to setup POP3 email access for my boss, and from my understanding the SBS includes support for this out of the box. I can see in the server management that POP3 access is enabled. I have no formal cisco training, but i have had a look at the cisco config. I beleive i should be forwarding incoming traffic on port 110 from my external IP to my internal server's IP. I can see in my cisco config i have the line: ip nat inside source static tcp 192.168.1.5 110 203.153.229.11 110 extendable which i beleive forwards tcp port 110 traffic to the server. I also have a section in the cisco config which permits mail: ip access-list extended ACL-Outside .... remark *** Permits Mail *** remark permit tcp any host 203.153.229.11 eq smtp permit tcp any host 203.153.229.11 eq www permit tcp any host 203.153.229.11 eq 443 but i beleive i have to add the next line: permit tcp any host 203.153.229.11 eq pop3 Could anyone help? Will adding the above line allow pop3 mail traffic through to my server for processing? If so, how exactly do i add this to the cisco config? I know i can enter 'enable' at the terminal to show the configuration details, and also enter 'configure (...something??)' at the terminal to configure the access list, so what should be the commands i enter to add the permit tcp any host x.x.x.x eq pop3 to the cisco configuration? Thanks in advance Simon | ||||||||||||||||
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Posted by News Reader on May 20, 2008, 9:49 am
Please log in for more thread options Your original post on May 14th was responded to. Perhaps you should refer to the response. Best Regards, News Reader | ||||||||||||||||
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Posted by siik on May 20, 2008, 9:53 pm
Please log in for more thread options > siik wrote:
> > Hi,
>
> > I have a Windows Server for SBS, and a cisco 837 router. I need to
> > setup POP3 email access for my boss, and from my understanding the SBS > > includes support for this out of the box. I can see in the server > > management that POP3 access is enabled. >
> > I have no formal cisco training, but i have had a look at the cisco
> > config. I beleive i should be forwarding incoming traffic on port 110 > > from my external IP to my internal server's IP. >
> > I can see in my cisco config i have the line:
>
> > ip nat inside source static tcp 192.168.1.5 110 203.153.229.11 110
> > extendable >
> > which i beleive forwards tcp port 110 traffic to the server.
>
> > I also have a section in the cisco config which permits mail:
>
> > ip access-list extended ACL-Outside
> > .... > > =A0remark *** Permits Mail *** > > =A0remark > > =A0permit tcp any host 203.153.229.11 eq smtp > > =A0permit tcp any host 203.153.229.11 eq www > > =A0permit tcp any host 203.153.229.11 eq 443 >
> > but i beleive i have to add the next line:
>
> > permit tcp any host 203.153.229.11 eq pop3
>
> > Could anyone help? Will adding the above line allow pop3 mail traffic
> > through to my server for processing? If so, how exactly do i add this > > to the cisco config? I know i can enter 'enable' at the terminal to > > show the configuration details, and also enter 'configure > > (...something??)' at the terminal to configure the access list, so > > what should be the commands i enter to add the permit tcp any host > > x.x.x.x eq pop3 to the cisco configuration? >
> > Thanks in advance
> > Simon >
> Your original post on May 14th was responded to. Perhaps you should > refer to the response. > > Best Regards, > News Reader That message list was deleted, and due to unforeseen circumstances can no longer be recovered. Apologies. Any help is still appreciated | ||||||||||||||||
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>
> I have a Windows Server for SBS, and a cisco 837 router. I need to
> setup POP3 email access for my boss, and from my understanding the SBS
> includes support for this out of the box. I can see in the server
> management that POP3 access is enabled.
>
> I have no formal cisco training, but i have had a look at the cisco
> config. I beleive i should be forwarding incoming traffic on port 110
> from my external IP to my internal server's IP.
>
> I can see in my cisco config i have the line:
>
> ip nat inside source static tcp 192.168.1.5 110 203.153.229.11 110
> extendable
>
> which i beleive forwards tcp port 110 traffic to the server.
>
> I also have a section in the cisco config which permits mail:
>
> ip access-list extended ACL-Outside
> ....
> remark *** Permits Mail ***
> remark
> permit tcp any host 203.153.229.11 eq smtp
> permit tcp any host 203.153.229.11 eq www
> permit tcp any host 203.153.229.11 eq 443
>
> but i beleive i have to add the next line:
>
> permit tcp any host 203.153.229.11 eq pop3
>
> Could anyone help? Will adding the above line allow pop3 mail traffic
> through to my server for processing? If so, how exactly do i add this
> to the cisco config? I know i can enter 'enable' at the terminal to
> show the configuration details, and also enter 'configure
> (...something??)' at the terminal to configure the access list, so
> what should be the commands i enter to add the permit tcp any host
> x.x.x.x eq pop3 to the cisco configuration?
>
> Thanks in advance
> Simon
>
>