From: Muhammad Nasim (muhammad.nasim@gmail.com)
Date: Tue Jul 01 2008 - 13:41:10 ART
http://www.cisco.com/en/US/docs/ios/12_1t/12_1t1/feature/guide/dtasyncq.html
HTH
2008/7/1 Thor Kopp <thorkopp@googlemail.com>:
> Does anyone know where this is on the doc CD, i know the command but can't
> find it on the doco CD :(
>
> - Thor
>
> On Tue, Jul 1, 2008 at 4:13 PM, Nick Griffin <nick.jon.griffin@gmail.com>
> wrote:
>
> > It is used for a telnet back door. The rotary x command will allow you to
> > telnet to port 3001 on that particular router/device, from the subnets
> > referenced in your acl 101. In case of a DoS attack, you still have
> telnet
> > to the device via port 3001, if port 23 vty's are all used up. When you
> > specify "rotary x" you basically add 3000 to that number and that's the
> > port
> > it's listening on.
> >
> > On Tue, Jul 1, 2008 at 9:46 AM, Marc La Porte <marc.a.laporte@gmail.com>
> > wrote:
> >
> > > Hi experts,
> > >
> > > Can someone explain to me the concept of a "rotary" on a vty line.
> > > Why would you use it?
> > > Why only one line on the rotary?
> > > etc
> > >
> > > Example:
> > > line vty 4
> > > rotary 1
> > > !
> > > access-list 101 permit tcp 147.151.146.0 0.0.0.255 eq 23
> > > access-list 101 permit tcp 147.151.0.0 0.0.0.255 eq 3001
> > > access-list 101 deny ip any any log
> > > !
> > > line vty 0 4
> > > login local
> > > access-class 101 in
> > > !
> > > username cisco password cisco
> > >
> > > Thanks
> > > Marc
> > >
> > >
> > > _______________________________________________________________________
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> >
> > _______________________________________________________________________
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> >
> >
> >
> >
> >
>
>
> --
> Thanks,
> Thor
>
>
> _______________________________________________________________________
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>
>
>
>
>
-- Muhammad Nasim Network Engineer Saudi Arabia
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