The ports tag has no wiki summary.
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How can I open ports on ubuntu server?
Hello I am running my server and since the ip is not static (my ISP won't give me one because I need to be a commercial customer) I have to use a service like DynDNS but the site is only accessible in ...
0
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1answer
87 views
UFW 'default deny incoming' doesn't work
I have UFW enabled, 'default deny incoming' set and no any additional rules, but I still can access all ports from other PCs.
I have to manually block each port. What can be wrong?
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2answers
143 views
Port 3306 appears to be closed on my ubuntu server
I have two VPS servers both have mysql installed, one for testing and one for dev. One of my servers won't let me connect from outside. With the user;
'mytestuser'@'%'
According to ...
0
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2answers
52 views
Allow webrick server to be accessed over wifi
I am trying to access a rails server running at 0.0.0.0:3000 on my computer from a tablet on the same wifi.
I can connect to regular webserver :80, but somehow can't get to the :3000.
I tried:
sudo ...
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0answers
43 views
How to set permissions to use jpilot and synchronize?
The information and manuals are so bad that I had to discover that I need to sudo to execute
pilot-xfer -p usb: -r <directory>
successfully in order to restore a Palm handheld connected to a ...
2
votes
2answers
124 views
List firewalls on the local machine
In Windows besides the Windows firewall a user could have installed a firewall program, or there is another service listening to that port.
In Ubuntu how can I see what blocks/filters open ports? ...
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0answers
201 views
Apache cannot assign requested address error
I changed etc/apache2/ports.conf and wrote **.***.**.***:80 but when I want to restart the apache2 I see the following error:
(99)Cannot assign requested address: make_sock: could not bind to address ...
1
vote
1answer
230 views
How can I give a user permission to open low port numbers?
If I'm root, how can I give a user permission to open low port numbers ? Or how can I take away the right to open high port numbers from a user ?
Cheers !
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2answers
1k views
Why can't I access my Ubuntu web server or ssh from the internet?
I am new to ubuntu server and i have installed ubuntu server on a vm and installed LAMP etc but my problem is that my website is not visible outside.
i have port triggering and added port 21,22 and ...
1
vote
2answers
1k views
Apt-get take long time to update\upgrade
On my work network any apt-get (or aptitude) commands take a very long time, it's look's like admins blocked some port for it (for unknown reason).
For example
sudo apt-get update
take like 2 days ...
2
votes
2answers
897 views
Virtual Memory Usage
Using a Toshiba Satellite l645d s4025 amd dual core p320 2.1ghz 3gb ddr3 ram 250 gb hdd
Below is the incomplete top report(don't know how to select all to copy) Using an Ubuntu 12.04 amd64 ...
0
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1answer
222 views
Why does '~$ nc -z T43 1-1024' not produce any output although '~$ ping T43' is successful?
Why does '~$ nc -z T43 1-1024' not produce any output although '~$ ping T43' is successful?
'~$ nc -z -v T43 1-1024' prints 'Connection to T43 22 port [tcp/ssh] succeeded!' and 'nc: connect to T43 ...
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4answers
3k views
What ports should I open for listen and/or transmit in my firewall to keep internet ok? [closed]
What are the minimum ports and services that should I allow/open for listen and/or transmit in my firewall (I am using Firestarter) to keep my internet running ok?
Some talk about what services, ...
1
vote
3answers
14k views
Ubuntu Open Ports
I have recently installed two Ubuntu Server machines and I would like to find the open ports in the machine.
When I run nmap from my machine (Ubuntu 11.10) I observed that both servers have
...
2
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3answers
844 views
Why is Ubuntu permissive with outgoing connections by default?
I am pretty newbie to Linux, as most of computers for resources in my school use Linux, I just installed Ubuntu to learn.
By default iptables and ufw sets policy as under:
IPTABLES -P INPUT DROP
...
2
votes
2answers
666 views
How to configure postfix to connect to port 26 on the remote host?
My ISP blocks outgoing connections to port 25 (well, with one exception for their SMTP server).
The remote host for one particular email address is also configured to listen on port 26. Is there any ...
0
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2answers
6k views
How do I see which ports are open?
I am running a web server on a machine with Ubuntu 11.
Everything is accessible from the local network, but not from outside.
What can I do to check to make sure the appropriate ports are open?
I am ...
3
votes
1answer
114 views
SSH and access service broadcasting on certain port at server
I have a service running on a certain port at the server. What I want to do is, access the server using SSH and use a local (client-side) program to access the server's port. Is that possible?
3
votes
1answer
229 views
How to forward ports on the same Ubuntu machine? I want my webserver be available on 80 and 8880 port
How do I forward ports on the same Ubuntu machine? I want my webserver be available on 80 and 8880 port.
Or maybe I could making my apache listening not only on 80 port, but also on 8880? Is that ...
3
votes
6answers
2k views
UFW firewall still blocking SMB despite adding rules
I have an Ubuntu PC with ufw firewall (GUI version). I have added the preset Samba service, in and out, and even tried adding the ports manually (135-139, 445, UDP and TCP, in and out), but it still ...
5
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5answers
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Cannot start tor with vidalia, failed to bind listening port because of tor-socks running
I get these errors trying to run tor with vidalia
Apr 19 21:55:15.371 [Notice] Tor v0.2.1.30. This is experimental software. Do not rely on it for strong anonymity. (Running on Linux i686)
Apr 19 ...
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3answers
10k views
How to close ports / disable services?
I just portscanned my system with nmap and got the following result:
PORT STATE SERVICE
25/tcp open smtp
631/tcp open ipp
what are these services and how i do disable them? probably i don't ...
