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Hi
I have a problem with my cisco router 2600 connected to the
internet.From everywhre on my internal network,i can telnet it but from
outside,not possible.There is no NAT in.Both internal IP and external
IP are public.

Can u help me ?

Thanks

squid3570 wrote:
> Hi
> I have a problem with my cisco router 2600 connected to the
> internet.From everywhre on my internal network,i can telnet it but from
> outside,not possible.There is no NAT in.Both internal IP and external
> IP are public.

I would suspect that its been configured that way (VIA ACLs) to limit
hackers you realy need to use nat/pat as it makes you quite a bit more
secure.

we did the nat but still not working




wrote:
> squid3570 wrote:
> > Hi
> > I have a problem with my cisco router 2600 connected to the
> > internet.From everywhre on my internal network,i can telnet it but from
> > outside,not possible.There is no NAT in.Both internal IP and external
> > IP are public.
>
> I would suspect that its been configured that way (VIA ACLs) to limit
> hackers you realy need to use nat/pat as it makes you quite a bit more
> secure.

while in NAT mode, create a PAT from publicIP 23 publicIP 23.
squid3570 wrote:
> we did the nat but still not working
>
>
>
>
> wrote:
> > squid3570 wrote:
> > > Hi
> > > I have a problem with my cisco router 2600 connected to the
> > > internet.From everywhre on my internal network,i can telnet it but from
> > > outside,not possible.There is no NAT in.Both internal IP and external
> > > IP are public.
> >
> > I would suspect that its been configured that way (VIA ACLs) to limit
> > hackers you realy need to use nat/pat as it makes you quite a bit more
> > secure.

Better yet, post your config.
squid3570 wrote:
> we did the nat but still not working
>
>
>
>
> wrote:
> > squid3570 wrote:
> > > Hi
> > > I have a problem with my cisco router 2600 connected to the
> > > internet.From everywhre on my internal network,i can telnet it but from
> > > outside,not possible.There is no NAT in.Both internal IP and external
> > > IP are public.
> >
> > I would suspect that its been configured that way (VIA ACLs) to limit
> > hackers you realy need to use nat/pat as it makes you quite a bit more
> > secure.

It wil be bettter first create a static nat for a insisd mahcine check
it pings or not
then try same for External Interface of Router

mvlbv wrote:
> Better yet, post your config.
> squid3570 wrote:
> > we did the nat but still not working
> >
> >
> >
> >
> > wrote:
> > > squid3570 wrote:
> > > > Hi
> > > > I have a problem with my cisco router 2600 connected to the
> > > > internet.From everywhre on my internal network,i can telnet it but from
> > > > outside,not possible.There is no NAT in.Both internal IP and external
> > > > IP are public.
> > >
> > > I would suspect that its been configured that way (VIA ACLs) to limit
> > > hackers you realy need to use nat/pat as it makes you quite a bit more
> > > secure.

It happens when the access list 1 is any

Now it is ok !




squid3570 wrote:
> Hi
> I have a problem with my cisco router 2600 connected to the
> internet.From everywhre on my internal network,i can telnet it but from
> outside,not possible.There is no NAT in.Both internal IP and external
> IP are public.
>
> Can u help me ?
>
> Thanks