0
votes
1answer
35 views

Ubuntu IPv6 port redirect using ufw

I'm trying to configure port redirection from port 80 to 8080 on server with both IPv4 and IPv6 support. The OS is Ubuntu 14.04 with the 3.2* series kernel. It is a production server, so I don't want ...
2
votes
2answers
263 views

Nginx 502 Bad Gateway - 111: Connection refused, port not being listened to

I'm aware there are many other similar questions but the solutions from those questions I feel I've already got in place. I've got 3 sites running locally on a VirtualBox Ubuntu 12.04.4 LTS Server, ...
1
vote
1answer
56 views

Access servers individually in a load balanced set

I have 2 web servers in a load balanced set (port 80) on the Azure platform. I need to ping a php file on each server which forces them to update, but how can I do this? Can I access them like this: ...
-1
votes
1answer
75 views

How to route specific IPv6 address to another port?

I just got a VPS with an IPv4 address as well as a bunch of IPv6 addresses configured and I'm new to routing in Ubuntu/Linux. I would like to route requests with a specific IPv6 and port (i.e. port ...
0
votes
4answers
916 views

connections on port 80 suddenly refused / server not responding

my dedicated server stopped responding to requests on port 80 today out of sudden, i havent touched anything in more than a month. its ubuntu 10, varnish + nginx + php-fpm, only 1 website. load is ...
1
vote
2answers
142 views

How can I release a port that is still in use but not bound to a process?

I'm running a Python application that spawns multiple processes. It uses port 56008 to listen for client requests. Sometimes after closing it the port it used is still "in use". There are still some ...
-1
votes
2answers
49 views

Why adding some port to IP address redirect to another IP? [closed]

I have a ubuntu server inside a router. And I have setup a DDNS (for example, example.com is the domain name) to point to my dynamic IP. The port 22 is forwarding to port 22 of ubuntu server, configed ...
0
votes
1answer
43 views

How to alias a range of ports to a specific port

I have a service running at port 3000, how can I forward ports [12000 to 14000] (2000 total ports) to the port 3000 with one command. I don't prefer to manually add each port though. Any ideas?
0
votes
2answers
1k views

ubuntu: open udp port 123

into my linux server (Ubuntu 8) I have top open the port 123 for ntp. I have write this into /etc/iptables.rules: :INPUT ACCEPT [7496:9080183] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [4393:322232] [0:0] ...
0
votes
1answer
1k views

What is the mdbs_daemon, and why is it listening on port 800 on my server?

While trying to resolve a ports issue on a staging server, I happened to run an nmap on our production server, and found that port 800 was open: 800/tcp open mdbs_daemon I have no idea what ...
0
votes
2answers
709 views

ufw blocking apt

I have the same Problem as described here, but the given solution doesnt work for me: ufw blocking apt and dns When I add the rule ufw deny out to any, and add the port 80, 443/tcp, ssh-port as ...
1
vote
1answer
147 views

Port forwarding on Ubuntu - what are the minimum and maximum port numbers to use?

I'm using rinetd on Ubuntu as a port forwarding server. I'm running this on EC2. I need to know which ports are available for me to use for port forwarding. I know that the privileged ports are 0 - ...
0
votes
2answers
553 views

Apache Server Redirect Subdomain to Port

I am trying to setup my server with a Minecraft server on a non-standard port with a subdomain redirect, which when navigated to by minecraft will go to its correct port, or if navigated to by a web ...
0
votes
1answer
281 views

Tomcat on port 80 fails due to OutOfMemoryError while Tomcat on port 8080 works

I have a linux server ( Ubuntu 11.10 x64 ). I run Tomcat on port 80 with root user. It has only one application ( about 8Mbs ). Whenever I start the tomcat, I get OutOfMemoryError. (Purpose of this ...
5
votes
1answer
1k views

Issue with SSH on Ubuntu - Local connection ok, remote connection - Is it me or my ISP?

I have an issue with a server running Ubuntu 12.04, I am trying to set up a remote connection so I can access the server at my work from out of town. I have installed the SSH server and all that ...
1
vote
3answers
1k views

How to open UDP port 7777 from iptables/firewall on Ubuntu 11.04

I need to enable the port 7777 from my VPS which runs Ubuntu 11.04, I have added rules from the iptables which is listed here, Chain INPUT (policy ACCEPT) target prot opt source ...
0
votes
1answer
125 views

Remapping ports based on incoming domain name?

I've been running a small game server for a while and want to set up a second one on the same server. The issue is that these servers don't support domain names; if a request comes in on the right ...
2
votes
1answer
227 views

Can't reach my alternative SMTP port

I can't seem to reach my open SMTP ports. I opened 587 and 2525, and it shows they're listening: tcp 0 0 0.0.0.0:587 0.0.0.0:* LISTEN tcp 0 0 ...
1
vote
3answers
1k views

How can I block port 6379 for outside traffic on ubuntu?

I want to block access to port 6379 on my server, but I still want to connect to it internally. The redis-server application runs on that port and I want to connect to it only locally (127.0.0.1). ...
0
votes
3answers
937 views

Suddenly can't open any port > 1000

I'm quite a beginner with administration, and I've not had problems with my VPS before. But after having trouble with an upstart-bug, which I was able to solve, I had to reboot the system, and since ...
3
votes
4answers
9k views

How can I redirect a port number on Linux?

I have a Tomcat application running on my Linux machine on port 8080 (www.myapplication.com:8080/myapps). I want to redirect the Tomcat port :8080 to the default HTTP port of :80 so that the ...
2
votes
2answers
286 views

Restrict User Access to Certain Ports

This question is purely hypothetical. Is it possible to restrict which ports certain users may use for their processes? Say users1 gets ports 8000-8999 and user2 gets ports 9000-9999. I am running ...
3
votes
2answers
3k views

Opening port 5432 on ubuntu

I am trying to open port 5432 on ubuntu using ufw using sudo ufw allow 5432/tcp I then use nmap to see if port 5432 was opened and i get this: root@domain:~# sudo nmap -sS -O 127.0.0.1 Starting ...
0
votes
1answer
90 views

mydomain.com/info.php doesn't works but mydomain.com:8008/info.php works

Sorry the title, but I don't know how to name this question. I'm on a dedicated server on ubuntu 11.04. It runs with plesk 10.3. I change the listen port of apache 80 -> 8008 When I go into my ...
0
votes
1answer
36 views

New portspace for different domains on the same IP

I've purchased a RootServer with one static IP included and the possibility to register up to four. For some extra cash of course. I'm running two different services on this root server with two ...
2
votes
1answer
280 views

Recommended ufw port configuration to secure tomcat web-application ubuntu server?

Assuming an ubuntu server operating web applications on Tomcat (with redirection from apache 80 to 8080). What is the recommended port configuration to secure the server? Thanks. P.S.: I would like ...
0
votes
3answers
129 views

Close port 1121

How can I open port 1121 for specified ips? I have memcache installed, and I need to access to memcache from another server for this in /etc/memcached.conf I set my ip -l 192.0.0.106. But after this ...
1
vote
1answer
906 views

Getting xdebug to work on my dev server

I am trying to get xdebug to work on my ubuntu 11 04 server. Everything seems setup right and I do see xdebug from phpinfo(). I installed with apt-get install php5-xdebug. The problem is that anytime ...
0
votes
1answer
94 views

Show all ports as opened

Would I be able to set all portstates to OPEN for scanners like nmap? Some attackers may scan my host and see all ports opened from 1 to 65535, but that no ports have actual services behind them ...
0
votes
1answer
224 views

Why can I fetch from web server via loopback but not IP?

I have a web server (Thin) running on a non-standard port on my Ubuntu 10.04 Server box. I can access the web server via the loopback interface, but not the public IP. Why, and how do I fix the ...
-3
votes
1answer
525 views

how to open tcp port in ubuntu

I have a ubuntu server How can i open a port ? I have flushed the iptables and off'ed ufw Provide me steps how to open a tcp port
0
votes
1answer
329 views

Internal portforwarding

I am currently working on a webapplication which uses node.js and socket.io. Socket.io need to start a small tcp on port 843 for delivering crossdomain.xml's for FlashPlayers socket connections. As ...
4
votes
2answers
124 views

What are Port 45702 Visits?

Been looking in my iptables logs and there are hundreds of different IP's trying to access port 45702, Google doesn't seem to know much. They always arrive in blocks per ip Jun 3 00:59:49 ...
5
votes
2answers
5k views

Node.js is not accessible from external IPs on Ubuntu

Hey everyone, I'm sure this is very noobish, so forgive me. I'm trying to run a node.js server on port 8080 of my ubuntu 10.04. Here's the result of iptables -L on the server: Chain INPUT (policy ...
5
votes
2answers
2k views

Determine process using a port, without sudo

I'd like to find out which process (in particular, the process id) is using a given port. The one catch is, I don't want to use sudo, nor am I logged in as root. The processes I want this to work for ...
1
vote
2answers
551 views

Restrict access to specific ports

I launched keep launching EC2 instances and for some reason i keep getting this email and then the server amazon shuts the server down...How do i restrict access to the port in question... here is my ...
0
votes
1answer
377 views

Redirect port for specific hostname?

Lets say I have two domains pointing to my IP: first.com and second.com pointing to 127.0.0.1 When someone connects to first.com:6000 it should go to 127.0.0.1:6000. But when someone connects to ...
0
votes
1answer
103 views

Not receiving mail from outside

My DBMail installation can finally receive mail, but from localhost only. I can do telnet localhost 24 and telnet localhost 143, login succesfully. I can also send mail from port 24 to one of my email ...
4
votes
1answer
2k views

How do I tell what is running on which ports in Ubuntu?

How could I tell what is listening on which ports on Ubuntu? In other words, how do I get a list of ports that are in use? Thanks, Alex
-2
votes
1answer
978 views

404 page when accessing http://localhost:1111/ [closed]

Is the port 1111 reserved as a default port for the ODBC connection? When I try to point my browser to http://localhost:1111/ it gives a 404 and not a page not found. What is the best way to ...
1
vote
1answer
942 views

Tomcat 7: editing port on linux

Sorry for the possibly dumb question, but I can't seem to find the answer via google.. I just installed tomcat7 on my Linux computer. When I try to run the server, it says "port 80 required is ...
0
votes
4answers
2k views

changing the default port no of tomcat in ubuntu

Hi all I'm trying to change the port number of my Tomcat server installed on Ubuntu. For this I have changed the file server.xml and made the following changes: <Connector port="8081" ...
0
votes
2answers
470 views

serial port forwarding/virtualisation?

I have a python script(UBUNTU) reading and writing info from local serial port.It works fine! what if instead of using the local serial port , i want to use another machine serial port, remotely ? ...
1
vote
4answers
2k views

Nginx + uWSGI on a fresh Ubuntu install - bind error port 80

I know this is a common problem usually having to do with apache or another service already running on port 80 and I have done a lot of searching and running netstat and still have not figured out why ...
0
votes
1answer
52 views

Blocking access to all

For a server running Ubuntu, how would I make it so whenever a user tries to access a web page it looks like the whole server is down? It's running Apache 2. Thanks
1
vote
2answers
220 views

Ubuntu Server Port Forwarding Issue

I've created a web server from a spare computer and Ubuntu Server but I'm having trouble making it viewable from the outside. I've set up port forwarding on my Netgear router but it still dosen't ...
0
votes
2answers
662 views

how to enable access to port from network in ubuntu?

when i "netstat -an | grep LISTEN" i have line: tcp6 0 0 127.0.0.1:24030 :::* LISTEN i want it to be tcp6 0 0 ::24030 :::* ...
0
votes
1answer
515 views

Run Resin (caucho.com) on port 80 in Ubuntu, using unprivileged user?

Without getting into proxying, or port redirects, port forwards, etc, is there any native method to bind Resin (a Java server) to port 80, on an Ubuntu server, while Resin is started by root but then ...
0
votes
3answers
358 views

How to forward certain ports on my domain to another IP

I have one domain name with MX Record all pointing to a single public IP. However, I have different servers which all should use the same domain on different public IPs. Since all of the traffic to my ...
0
votes
3answers
584 views

configure apache web server in ubuntu 10.04

is there any way by which i can change the port number and localhost name on which apache web server runs in ubuntu ?