Hi all,

>-----Ursprüngliche Nachricht-----
>Von: André Warnier (tomcat) [mailto:a...@ice-sa.com] 
>Gesendet: Donnerstag, 10. August 2017 11:34
>An: users@tomcat.apache.org
>Betreff: Re: I've just installed Tomcat (7.0.67) on an old CentOS 5 box. It 
>can't be reached from outside the box.

>Addendum :
>James,
>this may also be of interest to you :
>https://backdrift.org/tcp-ping-ping-tcp-port

well then you could also go with nmap or netcat (nc).

I would check the host firewall and iptables -L . That may be misconfigured.

Maybe that is also the reason why you can't reach the repos anymore.

Best regards

Peter


>On 10.08.2017 08:46, André Warnier (tomcat) wrote:
> On 10.08.2017 02:32, James H. H. Lampert wrote:
>> This is weird. I've never seen this before.
>>
>> Then again, I don't think I've installed Tomcat on Linux from a 
>> tarball before: the previous CentOS installation was, if I remember 
>> right, via Yum, and the one Debian installation I've done was via apt-get.
>>
>> But I can apparently no longer reach the Yum repository from our 
>> CentOS 5 boxes, so I went with the tarball.
>>
>> It launches. The port opens. It shows up in a netstat. And I can 
>> reach it at either
>> 127.0.0.1:8080 or port 8080 at the box's own IP address.
>>
>>  From the box it's running on.
>>
>> But if I try to reach it from other boxes on the same LAN, I get 
>> "Firefox can't establish a connection" whether I use the box's name 
>> (from boxes that have it in their host table), or its IP address.
>>
>> I can ping the box. And I can reach Samba shares on it. And I can ssh to it.
>
> Ping works at the IP low level, so it means that there is an IP path 
> to the server, but it does not say anything about TCP/UDP "open ports".
> Samba and SSH working, means that TCP/UDP packets addressed to their 
> respective server ports get through.
> Firefox not working must mean that something is blocking port 8080.
>
> Try "telnet ip_of_the_server 8080". It will either also tell you 
> (after a while) "port not reachable", or show a blank screen. If the 
> former, there /is/ something blocking access to port 8080 on the 
> server. If the latter, then ip/port ip_of_the_server:8080 is accessible, and 
> your problem is somewhere else.
>
> Note: for "telnet", you will need a telnet client installed; this is 
> not necessarily standard on non-Windows workstations.
> And the reason for telnet is that it is about the simplest client that 
> can be used, that shows when something comes back, but does not 
> automatically follow "redirects" and that kind of stuff.
>
>
>>
>> The only firewall on the Lan is a TP-Link N750, and if it has any 
>> settings in place to block traffic within the LAN, I can't find them.
>>
>> I've got three different Tomcat 7 servers all running on the LAN, and 
>> can reach them easily.
>>
>> --
>> JHHL
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
>> For additional commands, e-mail: users-h...@tomcat.apache.org
>>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
> For additional commands, e-mail: users-h...@tomcat.apache.org
>


---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
For additional commands, e-mail: users-h...@tomcat.apache.org


---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
For additional commands, e-mail: users-h...@tomcat.apache.org

Reply via email to