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1
vote
2answers
48 views

Nmap not scanning all ports

I've noticed that nmap only scans a bunch of known ports, and the only way i've managed to check 'em all is to put a "-p 0-65535" in. Why is that? am I wrong? is there a more popular way to scan all ...
3
votes
1answer
40 views

Automatic/scheduled check for open ports on list of servers

I need a way to configure a scheduled check for open ports on a list of servers and to get notified if something has changed from last check. what's the best way to do it? If there is some solution ...
0
votes
1answer
45 views

Why am I still able to get a response on port 80 when I've shut down all ports except 22?

My goal is to shut down absolutely all ports on my Ubuntu server, except port 22 (SSH). I followed the instructions from this question here on Server Fault, plus instructions here and here. However, ...
0
votes
2answers
56 views

SNMP (net-snmp) port configuration

I'm setting up net-snmp on CentOS and I'm getting an issue setting up non-default port. Basically, if I set it up as 161 or port 32768 or greater, it works fine, but it doesn't work for anything ...
0
votes
1answer
29 views

connection hanging

I'm trying to get to the bottom of a connection problem. My payment processor uses port 4330 and has no firewall for incoming connections. My hosting company blocks this port by default but has ...
1
vote
0answers
198 views

How to open ports in Cisco ASA 5505 using ASDM?

am new to cisco and i badly need help in opening ports using ASDM. I already tried natting but it only allows 1 outside and 1 inside rule ex. Inside Static Rules 10.x.x.x outside 72.x.x.x Outside ...
1
vote
2answers
113 views

How do I make a privileged port non-privileged in Redhat 5?

So I have a RedHat 5 box that I'm wanting to run an application that I wrote that implements SLP. SLP uses port 427 for answering service queries. My understanding is that ports below 1024 are ...
0
votes
1answer
44 views

Monitor USB port without physically plugin hard drive

I have to design a program to monitor USB ports of a linux server to detect when an external hard drive is plugged in and removed. Now I have one confusion in my mind about it. I have my own VPS. so ...
0
votes
0answers
42 views

ISA running out of Ports

In my new job, since a couple of months ago, the ISA 2006 server stops accepting VPN connections. Once that happens, we restart it, and it all goes back to normal... for the next 12 hours or so. I ...
6
votes
2answers
87 views

FreeBSD ports: remove build dependencies after installing port

Is there any way to remove build dependencies of the port after installing it? Many ports use exotic tools for building and these tools are not used anymore when port is builded and installed.
0
votes
3answers
150 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 ...
1
vote
2answers
50 views

Hide the ports in the url of a tomcat application

I have setup tomcat 6 on a server with several different instances which run on different ports For Eg: http://10.XXX.XXX.XXX:8080/myAPP1 http://10.XXX.XXX.XXX:8088/myAPP2 ...
0
votes
1answer
40 views

What ports need open from netbackup server to client?

I need to know what ports should be open from netbackup server to the server, where netbackup client is installed and vise versa? So I need to know what network access should exist to backup and ...
0
votes
0answers
51 views

Inactive TS ports after log off

Let me start by giving a brief description of our problem... We are using thin clients/dummy terminals to connect via rdp to Win a 2008R2 server and want to be able to print locally. So far we have ...
2
votes
1answer
203 views

Port 80 being used by Microsoft-HTTPAPI/2.0

It's been quite a few days that port is being used by some strange process which i don't know Initially i thought it's related to SQL Server. I tried stopping all the services which starts from SQL ...
0
votes
1answer
29 views

GRSEC Not allowing Active FTP on Privileged ports

I've been testing an issue with FTP Active transfers recently and I've narrowed down a problem. On my GRSEC enabled kernel, FTP Active transfers fail to establish on Privileged ports. Using identical ...
0
votes
1answer
72 views

Port numbers used by IBM HTTP Server and Websphere v6

I'm trying to understand what port numbers i can use to access my application both through the web server (IBM Http Server) and directly to the app server (IBM Websphere v6.1). What ports can i use ...
0
votes
2answers
94 views

Redirect to port based on requested (sub)domain (1 IP, non-HTTP request)

So I've been trying to figure out how to redirect a subdomain to a specific port. Let's assume the application will always request the default port and that default port is, say, 30000. We have ...
3
votes
1answer
88 views

Two applications bind to the same socket?

C:\Users\bacadmin>netstat -anov | find ":80 " TCP 0.0.0.0:80 0.0.0.0:0 LISTENING 3976 TCP 0.0.0.0:80 0.0.0.0:0 LISTENING 3808 TCP [::]:80 [::]:0 LISTENING 3976 The one with the process id of 3976 ...
0
votes
1answer
88 views

Ubuntu 10.04 Port 3306

I am trying to open port 3306 in Lucid, but when I do netstat -tan|grep 3306 it just shows me tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN What I am going for is: ...
0
votes
2answers
43 views

Can I close or disable ports without iptables

I need to disable or close a couple of ports on a RHEL 5.3 Redhat server, without using IPtables .IPtables is already switched off (disabled)on this system.Is there any alternative way of closing or ...
1
vote
1answer
102 views

ssh + multiple ssh connection failed

I have 47 Linux client machines and one Solaris server machine (all Linux client machines are red-hat 5.1) all clients perform ssh connection to the server in order to verify if ...
1
vote
2answers
75 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
108 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
132 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. ...
4
votes
4answers
634 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
269 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
149 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
73 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
260 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
100 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
76 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
189 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
64 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
281 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
53 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
40 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
374 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
154 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
43 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
465 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
55 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
41 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
349 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
76 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
58 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
5answers
426 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
104 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
140 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 ...

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