[afnog] changing ssh port on a cisco router

Shake Righa shake.righa at gmail.com
Fri Jul 22 17:12:30 UTC 2011


Thanks Joseph for the feedback.

Regards,
Shake Righa

On Thu, Jul 21, 2011 at 5:10 PM, joseph mpora <klashniv at gmail.com> wrote:

> I eventually did an access list:
>
> interface ethernet0
> ip access-group 102 in
> !
> access-list 102 deny tcp any any eq 22
> access-list 102 permit ip any any
>
> Thanks.
>
> Joseph
>
> On Wed, Jul 20, 2011 at 5:17 PM, Shake Righa <shake.righa at gmail.com>
> wrote:
> > Joseph,
> > Could you set an access list to deny access via Port 22 and only allow
> via
> > port 2222.
> > Regards,
> > Shake Righa
> >
> > On Wed, Jul 20, 2011 at 4:47 PM, joseph mpora <klashniv at gmail.com>
> wrote:
> >>
> >> When I tried:
> >>
> >> ip ssh port 2222 rotary 1
> >> line vty 0 4
> >>  rotary 1
> >>
> >> I can log into the router using both port 22 and 2222. I want to block
> >> access to ssh on port 22, so that only connections to port 2222 are
> >> accepted.
> >>
> >> Joseph
> >>
> >> On Wed, Jul 20, 2011 at 4:41 PM, Shake Righa <shake.righa at gmail.com>
> >> wrote:
> >> > Joseph,
> >> > Kindly try at the config mode
> >> > ip ssh port <new port> rotary 1  >>>>>>>>>. where new port is where
> you
> >> > want
> >> > ssh to accept connections on
> >> > Router(config)# ip ssh port 2011 rotary 1
> >> > Router(config)#line vty 0 4
> >> > Router(config-line)#rotary 1
> >> >
> >> > Regards,
> >> > Shake Righa
> >> >
> >> >
> >> > On Wed, Jul 20, 2011 at 4:32 PM, joseph mpora <klashniv at gmail.com>
> >> > wrote:
> >> >>
> >> >> Dear All,
> >> >>
> >> >> Am having trouble changing the port SSH listens on a cisco router. I
> >> >> have been able to get it to listen on port 2000 but connections to
> >> >> port 22 are also accepted.
> >> >>
> >> >> I would like to only allow ssh connections on port 2000.
> >> >>
> >> >> Below are the configs an using:
> >> >>
> >> >> ip ssh port 2000 rotary 1
> >> >> line con 0
> >> >> line aux 0
> >> >> line vty 0 4
> >> >>  rotary 1
> >> >>  transport preferred ssh
> >> >>  transport input ssh
> >> >>  transport output ssh
> >> >> line vty 5 807
> >> >>  rotary 1
> >> >>  transport input ssh
> >> >>
> >> >> Additional Information:
> >> >>
> >> >> Cisco IOS Software, 2801 Software (C2801-SPSERVICESK9-M), Version
> >> >> 12.4(24)T4, RELEASE SOFTWARE (fc2)
> >> >> ROM: System Bootstrap, Version 12.3(8r)T9, RELEASE SOFTWARE (fc1)
> >> >> System image file is "flash:c2801-spservicesk9-mz.124-24.T4.bin"
> >> >>
> >> >> Please let me know if what am trying to do is achievable and how it
> can
> >> >> be
> >> >> done.
> >> >>
> >> >> Thank you.
> >> >>
> >> >> Regards,
> >> >> Joseph Mpora
> >> >>
> >> >> _______________________________________________
> >> >> afnog mailing list
> >> >> http://afnog.org/mailman/listinfo/afnog
> >> >
> >> >
> >
> >
>
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