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