The ports tag has no wiki summary.
1
vote
2answers
39 views
Unknown process on port, lsof no help, nfs-kernel-server?
During a standard security sweep we found out a something was listening on a port unknown to us, 2030, and we are having trouble determining the source.
# netstat -anp | grep LIST
tcp 0 0 ...
1
vote
2answers
38 views
IPTables - Change Port of outgoing and incoming packets
Is it possible to configure IPTables in a way that all outgoing packets to a certain IP and Port are altered with a different port and do the same for incoming packets?
I have to work with a server ...
1
vote
2answers
70 views
iptables and multiple ports
This doesn't work fir me:
# iptables -A INPUT -p tcp --dports 110,143,993,995 -j ACCEPT
iptables v1.4.7: unknown option `--dports'
Try `iptables -h' or 'iptables --help' for more information.
...
3
votes
4answers
530 views
Hiding non-standard ports in the address bar?
Some applications (such as Plone) default to serving http on ports other than 80 (eg 8080).
Typically, to view those webapps you need to load http://mysite.tld:8080 instead of just http://mysite.tld ...
1
vote
1answer
130 views
Solaris ethernet ports: e1000g1 and e1000g2 are not working
I can plumb and configure e1000g0 and e1000g3 using ifconfig, but I can't seem to make use of e1000g1 or e1000g2.
When I try ifconfig e1000g1 plumb, I get ifconfig: plumb: e1000g1: Invalid argument.
...
0
votes
2answers
53 views
CentOS port closed even when iptables is stopped
I've recently got a VPS running CentOS 6.X, I installed Gnome and configured VNC. vncserver is running fine, but I can't connect to it. I checked the ports from outside and noticed that port 5901 is ...
-1
votes
1answer
63 views
Site works on one port but not another
I'm writing a website that I'm having some trouble getting online with a Debian server using Apache2. When I run the site on port 8080 (i.e. www.example.com:8080), the whole thing runs fine and the ...
0
votes
1answer
96 views
iptables has port 80 open but nmap shows it closed
I'm having some troubles getting a Debian webserver to open up port 80 for HTTP traffic. In my iptables, I opened up port 80 using the following commands:
iptables -A INPUT -p tcp --dport 80 -j ...
0
votes
2answers
48 views
Protecting direct access to port 11211 via a browser (memcached)
When I recently discovered about accessing ports via your browser at a domain level. Example, I accessed my domain at port 11211, I got an output of this:
ERROR
ERROR
ERROR
ERROR
ERROR
ERROR
ERROR
...
2
votes
1answer
74 views
Can I change the port for SSH on a hosted server?
I am changing over to a hosted server and I want to use non-standard ports for SSH. Is this possible? Wouldn't I have to have access to the router, in order to forward ports?
0
votes
2answers
59 views
Opening up port 8080 in CentOS
I'm new to opening up ports in CentOS. I need to open up tcp port 8080 and have installed/ran nmap to find it is not open already. I've been reading about the iptables command, I have v1.3.5 installed ...
0
votes
0answers
27 views
Setting up CruiseControl and phpUnderControl (Ubuntu)
Ok, so I've tried setting up phpUnderControl following this tutorial:
http://techportal.ibuildings.com/2009/03/03/getting-started-with-phpundercontrol/
I had a few problems throughout which I managed ...
0
votes
2answers
104 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
2answers
42 views
Why is my IMAP port not showing as open ( yet it works? )
Ive recently setup Postfix and Dovecot IMAP on a Debian Lenny box. Sending to this domain works fine and reading the email via IMAP works fine too. I'm curious though as to why when running nmap, port ...
3
votes
2answers
27 views
Hyperlinking to a site with port 443
I am having trouble finding a way to hyperlink to https://secure.mysite.net:443
I tried: <a href="https://secure.mysite.net:443/">HTTPS SSL</a>
However it simply takes me to ...
1
vote
3answers
216 views
nmap on my webserver shows TCP ports 554 and 7070 open
I have a webserver that hosts various websites for me. The two services that are accessible outside are SSH and Apache2. These are running on a non-standard and standard port, respectively. All other ...
-1
votes
1answer
108 views
3COM Switches that have 1000Base-X SFP ports
I have been upgrading switches at the company I work for and their technology here is prehistoric, but the new switches I have received from my director are the 3COM 2928-SFP Plus. I have been reading ...
0
votes
0answers
30 views
mstsc.exe keeps on conflicting with other application intermitently
I am wondering how can you know who is running the mstsc.exe? I have recently in my PC that the mstsc.exe listens to the port that I am using. I read that mstsc.exe is used by the remote desktop. Also ...
6
votes
4answers
266 views
iphones and exchange, what am I missing?
I am trying to get iphones to play with our exchange 2010 server.
I have opened ports 25 and 993 on the firewall, and I can get the account to validate, but I cannot send or receive email from it.
...
1
vote
1answer
45 views
AWS - Load balance to different clusters
So I'm using ELB to load balance incoming requests. Is it possibile to make the ELB listen on two ports and, for example, route all the request made to port 80 to a specific set of instances, and ...
0
votes
0answers
32 views
Site not working, not sure how to open the ports
We are running a VPS on win2008. I have two static IP's that are configured for one NIC (probably all virtually because it's a VPS). In the firewall I have a rule to allow traffic inbound on ports 80 ...
35
votes
11answers
2k views
Does changing default port number actually increase security?
I have seen advice saying you should use different port numbers for private applications (e.g. intranet, private database, anything that no outsider will use).
I am not entirely convinced that can ...
2
votes
1answer
230 views
OpenVPN port-share with apache 443/10443 not working
I configured openvpn (OpenVPN 2.1.0) and apache 2 ( to listen respectively on 443 and 10443 (with modssl). The two applications are listening well:
tcp 0 0 x.x.x.x:10443 ...
0
votes
2answers
60 views
Do I have to open a port for mod_proxy and ProxyPass to work?
Here's my situation:
I have a server running Apache on port 80, a node.js application on port 8000, and I'd like to know if I have to open ports in order for ProxyPass and mod_proxy to work.
Related
...
0
votes
1answer
55 views
What's the difference between a daemon listening on 10.0.2.15:53 and a daemon listening on 0.0.0.0:53?
I wanted to know the difference between these two states, I just did a netstat -anob on my 2008 R2 testing machine.
4
votes
3answers
215 views
netstat shows a listening port with no pid but lsof does not
This question is similar to Network port open, but no process attached?
I've tried everything from there, reviewed the logs, etc... and can't find anything.
My netstat shows a TCP listening port and ...
0
votes
3answers
70 views
Port 1499 traffic to my Exchange 2003 server - what is it?
I'm seeing a lot of traffic going to my Exchange 2003 server from client machines on TCP port 1499. (The reason they are traversing the firewall is because the clients are at remote site connected via ...
3
votes
2answers
104 views
Port Knocking and TCP/IP within the OSI model
I have read that Port Knocking can be subject to false negative (type II error) due to the optimization techniques of TCP/IP. A correct port knock given by the client may be read as incorrect by the ...
-4
votes
1answer
135 views
Which port of my computer is my ISP connected to? [closed]
I'm trying to find out the port number of my computer to which my ISP actually connects & provides the internet service, given my ADSL modem is operating in Bridge Mode instead of PPPoE. I ...
1
vote
3answers
122 views
DNS unavailable; IP address shared by 4 websites. How to extract numerical addresses of each website?
Preliminary note: our DNS service is down, and I have no access to the website settings; I am just a team member trying to help people who need the website right now.
Four websites share the same IP ...
2
votes
1answer
70 views
Restrict Port range to a user
On a server with several users I'm looking to reserve port ranges so that only one user has access to a specific port range, IE
user1: 2000-2005
user2: 2006,3003
user3: 1025
In doing so, an ...
3
votes
3answers
263 views
Open Ports: Apache vs. IIS
I just had an interesting meeting with security guys and the main point of this meeting I wanted to have some backup on is:
Apache is secure, because it only needs port 80 and 443 (for http and https ...
0
votes
1answer
53 views
Prevent Shorewall log entries for specific IP address and/or port
I have Shorewall firewall setup on a Debian server which is working fine. I get various log entries in /var/log/messages when packets are dropped, as expected, for example:
Aug 17 19:09:07 cheetah ...
0
votes
2answers
124 views
Which UDP ports are required to resolve external hosts?
Today I asked my hoster to block all UDP ports except port 53. Due to daily UDP attacks, this was currently the only option to stop flooding my lines.
Now since the block is in place, I cannot wget ...
0
votes
2answers
106 views
Port 3306 stopped working
I can ping to mysql server but can not telnet to 3306 port.
# ping 10.10.10.99
PING 10.10.10.99 (10.10.10.99) 56(84) bytes of data.
64 bytes from 10.10.10.99: icmp_seq=1 ttl=64 time=0.128 ms
64 bytes ...
0
votes
1answer
64 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 ...
0
votes
1answer
52 views
close port 10180
This morning I ran zenmap against our domain controller (windows 2003 server) and found an unknown open port
Discovered open port 10180/tcp on 192.xxx.xxx.xxx
Through various google searches I ...
8
votes
5answers
991 views
Understanding Ports: How do multiple browser tabs communicate at the same time? [closed]
I realized today that I fundamentally don't understand how port communication works.
If I fire up an instance of a webserver listening on port 80, it can respond to many requests from many different ...
1
vote
1answer
87 views
How to configure jetty to listen to multiple ports?
I just want to configure jetty to listen to more than one port. I don't want multiple instances nor multiple webapps, just one jetty, one webapp, but listening to 2 or more ports.
The default way ...
1
vote
4answers
75 views
How to find the program responsible for a specific TCP socket (linux)
joe@server:~$ sudo lsof -i :36168
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
java 23059 activemq 15u IPv6 109382 0t0 TCP *:36168 (LISTEN)
From the output above I want ...
0
votes
2answers
34 views
Help: Enable Ports
I'm trying to enable a few ports, as I have a php script that uses sockets.
I added the following to my httpd.conf file:
Listen 6112
Listen 6113
However, when I execute my php script, it says the ...
1
vote
3answers
75 views
Assistance with opening additional ports - CentOS
I'm trying to open an additional outgoing port on my VPS (port 5900).
Here is my /etc/sysconfig/iptables:
# Generated by iptables-save v1.3.5 on Sun Jul 10 11:27:12 2011
*mangle
:PREROUTING ACCEPT ...
0
votes
1answer
78 views
Multiple web-services all running on port 80 with IPTABLES
I'm basically wondering what is best practice when running multiple web-services that all need to be on port 80 without using something like nginx as a proxy. The following solution is actually ...
-1
votes
3answers
77 views
how can a server handle lots of port 80 connections
Admittedly this is a simple question but 20 minutes of googling and I just can't find an answer... I will frame my question with an example.
say I own www.reallypopular.com and my website sees 100 ...
0
votes
3answers
146 views
Which ports to open for Hyper-V
We have two physical servers on the different area protected by firewalls. We want to build Hyper-V cluster for this servers. We found the article from Microsoft VMM Ports and Protocols, but there are ...
0
votes
2answers
85 views
Which ports to open for DB Mirroring
We have two physical servers on the different area protected by firewalls. We need to use DB Mirroring for our purpose. So which ports we need to open between two area for using MS SQL 2008 DB ...
0
votes
1answer
243 views
Access host computer's (IIS7) localhost:33369 from virtualbox IE6
trying to setup my virtualbox copy of windows xp and have it be able to access my host computer's (win7) IIS 7 express localhost:33369
the virtualbox ipconfig
IP Address: 10.10.2.15
subnet: ...
1
vote
4answers
193 views
Cent OS firewall opening port
I've installed postgre on a CentOS server.
I basically followed this guide here: PostgreSQL
On the last step it says I need Open TCP port 5432 and to do so I need to add the following line to my ...
0
votes
1answer
49 views
where is information about virtual directories stored?
Server hosted somewhere on internet just broke down, so guys from IT support decided to install Linux temporarily so we can access file system in order to do backup. We have there some web services ...
1
vote
0answers
70 views
Deploy multiple applications in Cherokee and distinguish them by port?
I am having an issue on deploying applications with Cherokee web server. The thing is I need to host various Django applications in the same machine and distinguish each one by ports (i.e. app1 in ...
