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Re: [LUG] Adsl routers and port 81

 

On 21 August 2011 17:12, Grant Sewell <dcglug@xxxxxxxxxxxx> wrote:
> It has just occurred to me... I had similar problems previously with my old
> cheap residential ADSL router.
>
> Essentially when I was within the LAN and pointed my browser at my public
> WAN IP address, the router would direct me to the router config rather than
> forwarding the traffic to the IP address specified.  Traffic genuinely
> coming in from the WAN would arrive at the server, but traffic originating
> from within the LAN could not use the WAN IP (nor the DynDNS name) to
> connect to the server.
>
> This, however, might only be one aspect of the problems you're facing.
>
> Grant
>
> On Aug 21, 2011 5:47 PM, "Kevin Lucas" <kevin.lucas@xxxxxxxxxxxxxxxxxx>
> wrote:
>>
>>>
>>> Hello,
>>>
>>> This is what I see from the outside world..
>>>
>>> http://81.129.128.175 router admin login prompt
>>> 81.129.128.175:80 router admin login prompt
>>> 81.129.128.175:81 times out
>>>
>>> Which indicates that Admin from outside still needs to be disabled on
>>> your router (or if you need external Admin. Then moved to say port
>>> :8080). And web requests still need to be port forwarded to your web
>>> server's IP. Maybe provide print screen pictures of the relevant
>>> router setup pages and I or someone else on the list could advise?
>>>
>>> Rgds Björn
>>> Linux user N.Devon
>>>
>>
>> I have also set port 22 up for ssh on the router
>>
>> then I have done
>> nmap 81.129.128.175
>>
>> Starting Nmap 5.21 ( http://nmap.org ) at 2011-08-21 17:42 BST
>> Nmap scan report for host81-129-128-175.range81-129.btcentralplus.com
>> (81.129.128.175)
>> Host is up (0.0016s latency).
>> Not shown: 997 filtered ports
>> PORT STATE SERVICE
>> 21/tcp open ftp
>> 23/tcp open telnet
>> 80/tcp open http
>>
>> Nmap done: 1 IP address (1 host up) scanned in 4.66 seconds
>>
>>
>> I don't think this is going to work
>> I have BT Business as the ISP
>>
>> Time to rethink ?
>>
>>
>> --
>>
>>
>>
>>
>>
>>
>> ________________________________________________________________________
>>
>>
>>
>>
>>
>>
>> Regards
>>
>> Kevin Lucas
>> Minions Post Master(Sub)
>> sip:kevin.lucas@xxxxxxxxx
>> www.minionsbandb.co.uk
>> www.tearooms.minionsbandb.co.uk
>> FaceBook Minions_shop
>> Po House, Minions,
>> Liskeard Cornwall
>> PL14 5LE
>> 01579363386
>>
>>
>> --
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>
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>
>

FYI
Update, when connecting now we see:
router admin is now disabled, and
web requests now respond with a "te chy b&b" webpage

Rgds Björn
Linux user N.Devon

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