Slackware :: Opening A Port For A Server?
Jan 28, 2011
I am trying to run a minecraft server from my slackware machine, but i am having an issue.The port for minecraft (25565) is open on my router, but it is reported as closed by all the open port check tools. I noticed that the same was happening for my VNC server. the port reports itself as closed until i actually open the vnc server software. for examplei check the vnc port (5900) when the vnc software is not running, and it is reported as closed. nmap localhost gives the following:
Code:
Not shown: 993 closed ports
PORT STATE SERVICE
[code]....
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Jul 18, 2011
Im having a frustrating issue with my two machine cluster I setup using Conga. Everything was working great except now when lucci starts mysql the port (3306) is never opened to outside machines. I can do a "ps -ef | grep mysql" and see it running as well as login to mysql on the node it is running on - but an nmap of the machine does not show the 3306 port and I cannot login to mysql remotely and yes I turned off all iptables(iptables,ip6tables) and SElinux is disabled.What am I missing here? If I start mysql on my own (and it is using the same my.cnf as lucci is) it does show the port open and works perfect,t for some reason when lucci starts it, no dice
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Apr 27, 2011
I'm trying to open up some ports to connect via vnc to a server running Centos 5.5. I've edited /etc/sysconfig/iptables everything *looks* fine, but I still can't seem to get access to the port I've opened (I added some newlines for clarity between commands):
[Code]....
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Aug 2, 2011
I am unable to open my webmail on my small business computers (all ubuntu 10.04 LTS using a Billion router) but am able to access it from my home computers (also ubuntu 10.04 LTS but with a different router).
The most likely problem is obviously that the firewall in the router is blocking access. I know how to open ports in the router's firewall, but how do I determine which port or ports need to be opened?
I have asked my email provider, and that have replied that the port can vary and I need to get my technical support people to do it. Obviously they struggle to understand the concept of 'small business"!
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Dec 24, 2010
I'm trying to open port 119. I already have a few ports open. I've used webmin to open both incoming and outgoing ports. iptables --list --numeric gives me:
Code:
...
ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:10000
[code]....
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Aug 17, 2010
I'm trying to open ttySx from an interrupt.the kernel crashes. is it possible to open/write to serial port from interrupts ? I think it crushes because when I try to open the device there is a mutex lock which cause the kernel to crash , am I right
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Jun 6, 2011
i have a proxy server up and running but one server using port 8181 cannot be accessed.how i can open that port!...i tried adding it in the safe ports but it still isn't working...
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May 2, 2010
I have a mail server i need it to send message via port 587 not port 25, i make some changes to my postfix server which i use and it is already successed making a telnet to 587 port like it :
[Code]....
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Oct 11, 2010
I'm thinking about making a web server but, I have an issue:will opening Port 80 affect all computers on a network?
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May 30, 2011
I'm fairly sure that this is an Ubuntu issue, as I've tried this on my windows computer with success.I'm running a minecraft server on my laptop, previously over a wireless connection but the data rates were too slow. On a wired connection, however, the server starts up and runs like normal but the port is not open when accessing from the network's public IP. I tested this with canyouseeme(.)org. I can get to it from other computers within the network by using a local IP, which to me seems a little strange as it seems to indicate that the port is open on the PC but somewhere in the router it gets confused due to being wired(?). Obviously I've forwarded the ports on the router (BTHomehub 2.0) with both TCP and UCP (it worked over wireless!). Any suggestions as to what might be causing this? I'm stumped.
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Oct 21, 2010
VERY new to linux, erm but I have an issue that needs solving!I recently moved to university, where their network blocks sftp port 22, this means that I cannot connect to my FTP server which is running a version of linux.Now I've got this ftp server connected to a seedbox and it was created using the following walk through..Code:I have written this guide for a friend, but I though it would be useful for others as well.
There are several guides floating around, but I found that most always cock up in some way. This one is tried and tested to work on Debian Etch (on an OVH rps, but should apply to most servers).If there is a new stable release of rtorrent/libtorrent then I will update this guide to show you how to update it (without reinstalling the whole server).
At the bottom there are also instructions to install ftp access & some network monitoring software.Basically, I would really like someone to be able to construct the commands on how to change the listen port for sftp connection on linux or add another port to the list that Linux would use so that I could put in through putty.
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Aug 5, 2009
If I forward port 80 to port 3128 for squid with an iptable rule, does port 3128 have to be open on the firewall or is this all routed behind the firewall?
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Jun 20, 2010
How can I open a p[ort in slackware? I am "trying" to install and use Alfresco, a DMS that runs on linux platforms. So far that has been a nightmare........
Basically, according to their support tech, port 3306 is blocked. I dont really understand because I have MySQL DB server running and listening to 3306 on that machine and no problems at all... However, they recommended to try:
Code:
telnet localhost 3306
or
Code:
telnet <machinename> 3306
but it resulted in:
Code:
telnet connect to address 127.0.0.1: Connection refused
If I understand correctly , the Alfresco support is correct, 3306 is indeed blocked. But how come mysql is running fine then? How can I unblock this port? And finally, I need to specify that I dont have ANY type of firewall or anything like that because this machine is not connected to the web... So if I dont have a firewall , what is blocking the port?
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Jul 1, 2010
server: LAMP - debian, apache2, mysql, php5. a bit info on my network: There is a another service here that already uses port 443 already. It made my website time out, hence the move to another port. PLus, i dont want the 2 services sharing the port. What I am trying to do is forward 443 requests to another port where the SSL service is running so I can hide my port number in the URL.
Here is my sites available conf file:
Code:
NameVirtualHost *:80
NameVirtualHost *:443
NameVirtualHost *:####
[code]....
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May 16, 2011
Since I installed Slackware 13.37 I'm having problems with Okular. Whenever you open a .pdf file, it crashes immediately. Opening other file formats works fine.
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Aug 15, 2010
Kernel 2.6.21.5, GNU (Slackware 12.0).
KDE 3.5.7.
KMail 1.9.7
In the x.org home page, there is a link 'the xorg mailing list'. If I click on this link, then the KMail Account Wizard (window subtitle New account setup) opens and I am compelled to create a new account. But I already have one, and I send and receive mail with this account. Can it be that this behavior is induced by x.org? I don't feel like opening a second account.
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Jun 28, 2010
Firefox does not open under any circumstances, it's allocated in the memory and has it's process ids, but the browser is not opened at all. There's not terminal output when ran in terminal, no dmesg, debug..., nothing.
The only info I could give:
Terminal try:
Code:
Code:
So, I really don't know what's happening, if someone have some light to shed, I'd be glad.
Slackware 13.1 32-bit x86, package is mozilla-firefox-3.6.6-i686-1.
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Apr 6, 2011
I edited "sshd_config" file and changed port 22 to a new port. After I restart ssh, it listens on port 22 and the new port. How can I disable SSH to listen on port 22? I'm using Debian.
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Feb 11, 2010
I did a clean installation of KDE 4.4 Alien bob`s packages and when I open the dolphin, for example, appears this error:
The icons and directories are all on blank...
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Nov 20, 2010
i am using Fedora 14. Once system get hanged during opening a video file so I had to restart the system by pressing restart button. But after restarting there are few problems appearing like system monitor not opening and Thunder bird opening but not showing any folder including inbox.
---------- Post added at 04:54 AM GMT ---------- Previous post was at 04:42 AM GMT ----------
Looks like SElinux has stopped working
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Feb 18, 2010
I want to do a simple port redirect, i.e. whatever comes trough whatever interface on port AAAA will get redirected to port BBBBI thought that iptables -t nat -I PREROUTING --source 0/0 --destination 0/0 -p tcp --dport AAAA -j REDIRECT --to-ports BBBBhowever it doesn't work, e.g. nc -v -w2 -z localhost AAAA gives:
nc: connect to localhost port AAAA (tcp) failed: Connection refused
while
nc -v -w2 -z localhost BBBB
[code]....
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Feb 7, 2011
One of the apps I would like to try out is usenext.Selectint the download for the right version (Linux - Suse, Red Hat, Fedora) I get the rpm file.Either opening this straight away or saving then opening it comes back with the following errors:
usenext-5.27-1.i386 requires mono(gdk-sharp) = 2.10.0.0
usenext-5.27-1.i386 requires unrar
usenext-5.27-1.i386 requires mono(glib-sharp) = 2.10.0.0
[code]....
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Jun 16, 2011
how to set an external static IP address to forward to an internal static IP address. Here is an example:
Linux box (slackware) IP address =
eth0: 10.xxx.xxx.xxx (internal)
eth1: xxx.xxx.xxx.170
eth1.0: xxx.xxx.xxx.171
eth1.1: xxx.xxx.xxx.172
DVR system that I need to forward to: IP address =
xxx.xxx.xxx.251
xxx.xxx.xxx.252
This was all setup by someone else whom I have never spoken with. The IP tables seems to be set up but I cannot provide a screen shot at this time. What I need to do is this. When a user connects to the external static IP address of xxx.xxx.xxx.171 with their DVR software, IP tables will forward to the DVR system at xxx.xxx.xxx.251. The ports desired are 554,555,556, and 557. I know some about Linux but not about IPtables.
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May 4, 2010
I`m running a rather simple iptables script, but no matter what port i try to forward it wont open. Here are the basics:
Code:
ipt="/usr/sbin/iptables"
$ipt -F
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Jul 16, 2011
I'm running Slackware 13.37 64 bit. I run it on an HP2945SE AMD Turion x2. I am getting an error during boot up unable to enumerate USB device on port 5. It filters throughout the rest of the boot up commands / results. It doesn't seem to matter if things are plugged up to the USB ports or not. Also it doesn't seem to affect anything on the computer. Its just irritating.
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Jan 19, 2011
For some reason I'm unable to connect to anything through these ports and I can't figure out why. I have to use a proxy address to access my irc channels.I've ruled out my router by disabling all router network filtering, so it must be something on this computer.
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Jan 21, 2010
After new installation of slackware 13 when I plugin usb device in the usb port it's print error:
And I have not premission on the device and I must mount the device handle. I
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Sep 16, 2010
I got this error when opening phpmyadmin, I check that my mysql is keep automatic closed.
#2002 - The server is not responding (or the local MySQL server's socket is not correctly config).
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Sep 24, 2010
When I VNC into my CentOS server I am always met with the usual GUI and an annoying terminal window. If I try to close the terminal window it reappears immediately. I can only minimize it to the taskbar. Am I missing a simple setting to disable this?
Here is my xstartup file:
#!/bin/sh
# Uncomment the following two lines for normal desktop:
unset SESSION_MANAGER
exec /etc/X11/xinit/xinitrc
[code]...
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Apr 14, 2010
I am using VirtualBox as virtualization machine. My topology is:Quote:Internet=====(eth0)HostOS=SLackware(eth1,br0)=====(eth0)GuestOS=slackwareCondition each OS:
HostOS:
eth0 = 192.168.7.80/24
Gateway = 192.168.7.1
[code].....
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