Networking :: Unable To Change The Ssh Port Access Is It From /etc/sshd_config?

Jan 27, 2010

I have a WRTG54S Linksys router and Fedora 11 on my Asus EeePC and I would like to be able to access my Fedora remotely via ssh however I'm not sure which info and were do I need to change it in my router, also I want to be able to change the ssh port access is it from /etc/sshd_config ? My internet connection at home is via cable modem and with a connection that is always on. (no dialer)

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OpenSUSE :: Set Up Sshd_config For Shared Key Only Access?

May 24, 2010

I know how to set up sshd_config for shared key only access. Is it possible however, to set up shared key only access for specific users. Example Users ABCD I want them to only be able to login with shared keys Users EFGH I want them to be able to use a shared key, or if that key gets lost, corrupted or whatever, EFGH can still use a password, keyboard-interactive. How would I go about doing that?

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General :: Can't Access /etc/sshd_config To Read Or Edit?

May 9, 2011

What is going on here? I can't access /etc/sshd_config to read or edit it, even as root. (Using debian-live 6.01)

root@debian:/etc# ls -l /etc/ssh*
total 132
-rw-r--r-- 1 root root 125749 2010-02-28 01:37 moduli
-rw-r--r-- 1 root root 1616 2010-02-28 01:37 ssh_config
-rw-r--r-- 1 root root 2453 2010-03-13 17:32 sshd_config

[Code]...

I also checked the permissions for the parent file /etc, and root has rwx. Is this something peculiar to the overlay file system used in debian-live, or just another unix gotcha?

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Networking :: Access A Port And Run Script On That Port?

Aug 23, 2010

how to access networking port and run scripts on that port so as to gain access of remote machine.is that possible through command prompt or through software.

i kno ip address of my frnd who is chattin with me .okay.i want to run an application on his computer .i came to kno tht we can run script o through port

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General :: Unable To Access Port 8008 From Web Browser

Jan 22, 2011

So this is my first post so I'll put it in "Newbie".I seem to have successfully configged my httpd.conf file to listen on port 8008. I restarted httpd ok. However, when I go to port 8008 in a web browser from another computer on the internal network by going to 192.168.2.5:8008, it doesn't connect. When listening on port 80, I can browse to the IP address fine. is this a server-side or client-side issue? Using Fedora 12. Thanks in advance and tell me what forum this would best fit in.

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Fedora Networking :: 3G USB Modem Has Wrong Device Port In NM - Change Device Port In Network Manager?

Aug 14, 2009

I installed ZTE MF 626 modem in my F10 with kernel 2.6.27.12-170, i run usb_modeswitch and so far things happened normally. Watching through /var/log/messages it says that F10 detects two port device for this modem: ttyUSB1 and ttyUSB2, and in the sequence it disable port ttyUSB1 BUT Network Manager still set this port.I mean, when i connect via wvdial appointing to ttyUSB2 i get connection, but Network Manager fails to do it appointing to ttyUSB1. How to change device port in Network Manager?

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General :: Application Is Unable To Access Data From Snmp Port

Jul 2, 2010

Iam using snmp to access the remote system data.But according to the requirement iam encoding the snmp request data to OAMPDU packet format and sending to remote system.the remote system receives the OAMPDU packet,decodes it and is sending the snmp packet to snmp agent through UDP socket which is bind to port 161.but iam unable to receive the response from snmp agent.i have created a udp socket which is bind to 161 port to receive the response.

if i use any other free port number other than 161 for receiving snmp agent is not sending the response to that port.can any one please suggest me how to overcome this problem.Can we configure the different ports for tx,rx ?How do we know on which port does snmp sends the response ???

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CentOS 5 :: Unable To Get I/O Port Access The Iopl(3) Call Failed?

May 28, 2010

I am running a VPS of CentOS. clock command doesn't work.[174-37-247-102.lx-vs.net ~]# clock hwclock is unable to get I/O port access: the iopl(3) call failed. How to solve the problem? I have tried "timeconfig" and set to New York and System Clock uses UTC and restart the server but it was not useful.

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Networking :: Access Alternate Port On LAN?

Apr 9, 2011

To access apache (port 80) on my linux box from another computer in the house (ie, on a LAN), I would just connect to (eg) 192.168.1.2.

I have another service running on port 666, but I cannot seem to access it via the obvious "192.168.1.2:666".

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Networking :: Accessing External SSH From A PC With Only Port 80 Access

Dec 23, 2010

I work for a company who has a really closed proxy configuration, and I think that only the port 80 is opened, but with a lot of blocked sites.

I guess that for other cases, like bank sites and others, they opened the 443 port too. But other ports are all closed.

I set up a linux server at home, and I need to access it with SSH. However, I can't access my server directly by its IP number,

I don't know why, but probably it's because some rule in the company's firewall or proxy, right? What I did to trick this was create an account on NO-IP.org, which provides me with a DNS to my host. In this moment, my "network" is something like this:

When I try to connect (by my work PC) with "telnet xxxxx.no-ip.org 80", or with Putty, I get a blank screen, no errors, no nothing.

But when I try to do this on another PC, on another network without proxies, I'm successfull. So I really think that is my company proxy thats blocking this way, am I correct?

So I think that the solution for my problem is to create a tunnel, to transport my SSH connection over an HTTP, through the Port 80.

But is there a way to do this?

It would be something like this:

Is that correct?

If so, how could I do this?

I'm trying for a week now, with programs like http-tunnel, proxy-tunnel, and others. But nothing until now.

So, any ideias how could I could communicate my SSH client at work over a HTTP (port 80) connection, over NO-IP, my modem, my server, HTTP to SSH, and finally my SSH server?

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CentOS 5 Networking :: Can't Access Any Port From The Internet

Nov 28, 2010

1. I've just installed Centos 5.5 on a dell machine with 2 network interfaces, and have disabled SELinux.

The output for the command sestatus is: SELinux status: disabled

2. Am I right to think that iptables is not a concern since SELinux is disabled? In any case, the output for the command "iptables -L" is:

Chain INPUT (policy ACCEPT)
target prot opt source destination
ACCEPT udp -- anywhere anywhere udp dpt:domain
ACCEPT tcp -- anywhere anywhere tcp dpt:domain

[Code]....

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Networking :: Unable To See Shares On Samba Server - No Authentication Access Desired (open Access)

Jun 12, 2009

I've been running a Samba server under RedHat 8 for five years without a hiccup. I want to cut over to a F10 box but cannot get shares accessible. smbclient attempts fail over NT password error. SELinux is disabled. Server is visible on the network. Users require no password access to shared data.

smb.conf follows:

# Samba config file created using SWAT
# from UNKNOWN (>)
# Date: 2009/06/12 14:15:15

[code]....

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Ubuntu Networking :: The Phone Can Access The Internet Through The Computer Unable To Get Access To Https Sites, Like Webmails

Dec 31, 2010

I managed to configure my W890i phone to get access to internet through an ubuntu-based computer. It's very easy to use the phone to give internet access to the computer, but the opposite is quite more tricky. For that I've done the following

----On the phone---

-Set the USB network option to "through computer", so that the phone uses the computer's internet connection and not the opposite.

-Decide and set "Shared Network" parameters: user, pasword and workgroup.

-In "conectivity-> internet connection" set "allow local network" to "yes"

----On Ubuntu 10.04---

-Install samba, samba-client, smbfs, smbclient, firestarter and dhcp3-server

-Configure Samba (System-> Administration-> Shared folders): same workgroup as in the phone, add new user (the phone), passwd this new user. In my case the user was called "w890i" and the password given was the same.

-Once the phone is connected to the computer through USB (then select "phone mode"), a new connection appears in NetworkManager: usb0.The aim is to create a shared network that gives internet access to this device. Edit the IPv4 parameters of this new connection, set them to Manual and give an IP adress (192.168.0.1) and a subnet mask (255.255.255.0); the rest of the fields are left empty.Connect this network.

-Set firestarter to use dhcp3: sudo ln -sf /etc/init.d/dhcp3-server /etc/init.d/dhcpd

-Launch firestarter and follow the wizard. Set "allow internet shared connection", choose the device for the primary internet access, and then the device for the shared network (usb0). Then change the settings for firestarter: activate DHCP for local network, set IP to the one we gave before (192.168.0.1).

-Open dhcp3-server config file sudo gedit /etc/default/dhcp3-server And set INTERFACES="usb0"

-Set the policies of firestarter: in incoming connections, allow connections from the IP adress given to the phone (192.168.0.1). Then add rules for the ports that need to be open for this connection. I opened HTTP, HTTPS, SMB, SMTP, POP3, IMAP, IMAPS, DHCP for all the connections in the local network.

-Apply policies and start the firewall.

------------

After all this, the phone can access the internet through the computer. Two problems appeared:

1. I couldn't get access to https sites, like webmails. The phone gave a "communication error". But then I tried with Opera instead of the browser built in the phone's firmware, and I could finally get to https sites.

2. I couldn't retrieve mail, neither POP nor IMAP nor IMAPS. I thought it was a firmware problem again, and I tried out several mobile phone email clients written in java, but none of them worked.

So this is at the moment the problem. If I connect from the phone to the internet directly through 3G, the email clients work for all my accounts. I don't think it's a firewall problem, because the ports are opened for this connection

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Ubuntu Networking :: Using Iptables To Change A Destination Port But Keep The Ip The Same?

Mar 23, 2010

I am playing around with transparent proxies, The current way I am doing things is the program makes a request to a computer on port 80, I use

Code:
iptables -t nat -A OUTPUT -p tcp --destination-port 80 -j REDIRECT --to-port 1234 to redirect to my proxy that I am playing with. the proxy will send out a request to port 81 (as all outbound port 80 are being fed back in to the proxy) so I want to do something like

Code:
iptables -t nat -A OUTPUT -p tcp --destination-port 81 -j DNAT --to-destination xxxx:80 The problem lies with the xxxx part. How do I change the destination port without changing changing the destination ip? Or am I doing this setup completely wrong,

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Networking :: Change Default Port Of Pptpd To 1813?

Jan 29, 2010

I used pptpd in cent os 5.4I want to change the default port 1723 of pptpd to 1813I chnage the pptpd port in service file to 1813 but ppp dont worknote : in ms vpn client i change the port to 1813

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Ubuntu Networking :: Can't Access Internet On 4 Port Ethernet Router

Mar 1, 2010

I changed to a 4 port ethernet router (D-Link DSL-2542B Adsl2+)with intention to share Internet access with my brother (he's on Vista).Initially it all went well,but 3 days ago there were connection problems occured on the part of the ISP. Without realized the problem,I had reset the router.This morning I've been informed by the ISP that the connection has been re-established.So,I accessed the Internet via the 4 port router but failed to do so (server not found).Suspecting that the problem was from the 4 port router,I reverted to my old Adsl router (DSL-520B single port) and without any problem I managed to access the Internet back.I really need help to configure back the 4 port ethernet router to its initial state.

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Ubuntu Networking :: Cant Access ExtHD Via Belkin Router With USB Port?

Jul 8, 2010

I have a newer Belkin N+ router that has a USB port for accessing an external hard drive.I can access the HD with no problem in Windows.I am new to Linux/Ubuntu and cant seem to connect to the HD. In "Network" I have a folder "Windows Share" and within that folder is where I see the HD "CBHD" (name of my drive). I cant click it because when I do, i get an error message along the lines of (cant remember exactly right now) "Failed to mound"I typically access the drive in Windows via : \192.168.2.1

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General :: SFTP Server Port Blocked On Uni Network / Need To Change Listening Port

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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OpenSUSE :: Set RxtxSerial - Java App Has Access To A Serial Port (via SiLabs CP210x Driver, Port /dev/ttyUSB0)

May 10, 2010

I'm trying to set rxtxSerial to work so a Java app has access to a serial port (via SiLabs CP210x driver, port /dev/ttyUSB0). When I use update-alternatives --config java, there are 3 alternatives which provide `java'. I have tried openJDK and Sun. Both fail but with completely different messages.

[Code].....

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Ubuntu Networking :: Cannot Access Certain Ports Via Web Browser, Outgoing Port Blocked

Aug 12, 2011

I have a vps server running certain services which can be accessed via a web browser (e.g webmin control panel), but I have recently been unable to access these services from my home machine using Firefox 5.0, running ubuntu 11.04.

Example:

I can access the server on port 80 fine, eg: [URL]

However I cannot access my webmin control panel on: [URL]

The pages takes ages to load and then times out. Same with transmission-daemon on: [URL]

Everything is set up fine on my server, the ports are open in firewall etc. and I can access these pages fine from my work computer.

This has only started happening in the last day or two and had been working fine up till then. I have not messed around at all with the firewall on my home machine. I have tried other browsers besides Firefox with same result.

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Fedora Networking :: Port Redirect, I.e. Whatever Comes Through Whatever Interface On Port AAAA Will Get Redirected To Port BBBB?

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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Ubuntu Networking :: Change The Ports That Something Like Xchat Uses To Make It Use The Same Port As Firefox?

Sep 3, 2010

How do I change the ports that something like xchat uses to make it use the same port as firefox? I am currently somewhere that has all non browser ports blocked.

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Ubuntu Networking :: Change The Proxy Settings And Put In The IP Address And Enter The Port To 3000?

Nov 8, 2010

My college providers shifted to a different setting.. I'm not sure what needs to be done. On windows, under the connections tab you need to change the proxy settings and put in the IP address and enter the port to 3000. Questions:

1. where lies the linux (ubuntu 10.04) variant to execute the operation.

2. What can be the major obligations of such a change?

I am sure its siimple enough, but I can't get my net to work properly. The connection provided to the internet is through wireless routers.

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Ubuntu Networking :: Unable To Connect To Port / Enable This?

Mar 22, 2011

I have setup an OpenVPN server on my server box, it had been working perfectly until today. It operates on port 1194 which I am now unable to connect to (tried telnet). I have checked all the firewall rules and they still allow the port and I have also checked to ensure that OpenVPN is still listening to the port, which it's not but I have tried restarting the service and the box which dosent make any difference. The only thing that has changed is that yesterday I installed Openfire, could this have broken something?

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Networking :: Unable To Port Forward To Ftp Behind My Firewall / Solve This?

Sep 28, 2010

I can't port forward to ftp behind my firewall, I tried several attempts but none worked.

Can anyone help me solve this?

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Networking :: Unable To Open Port In Router Or Firewall?

Jan 26, 2010

I am trying to make a vnc connection from pc #2 to pc #1. Pc #1 is a debian pc behind a zyxel router (P-2602HW-D1A). Pc #2 is a windows xp pc another place at the internet.I have configured the zyxel router to forward incomming trafic on port 5902 to the local ip-adress of the debian box. The debian box is running a vnc server, listening on port 5902.But i dosn?t work.I have tryed to scan the zyxel routers ipadress on port 5902 from the internet, but the scanner says that the port is closed.The vnc server on pc #1 is working fine on the local network. I can connect to the server from a pc on the same side of the zyxel router.Is it deffenitly a router problem, or could it have something to do with debians own firewall?

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Ubuntu Networking :: Unable To Open Port 3306 For MySql

Jul 18, 2010

I've been working and researching this for about a week now and I still haven't had any luck. Basically, I have been trying to open port 3306 to allow connections to my MySql server.

i've added the rule into iptables, saved and restarted that i've added the rule into my router. and I have removed "skip-networking" from the my.cnf file and added the blind address in, I'm trying to get this all to work on my LAN, but it doesn't seem to work, I've also restarted the entire server and then port scanned it from outside and inside the networking and it still tells me that 3306 is closed.

I did however i had some luck when I entered the Ip of the machine that would be sending data to the server but then PROFTPD stopped working and the port was open :/ im not really sure what ip should be in there but another thread from another forum said to enter the ip of the machine that mysql is installed on.
so currently its 192.168.0.2 which is the static internal address of the server.

every machine on the network has a static ip and all the rules have been added to each firewall, i.e. server and router firewalls.

ill pop my "my.cnf" under this to see if anyone can find a mistake,

Code:
# This will be passed to all mysql clients
# It has been reported that passwords should be enclosed with ticks/quotes
# escpecially if they contain "#" chars...
# Remember to edit /etc/mysql/debian.cnf when changing the socket location.

[Code].....

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Server :: SSH Is Still Listening On Port 22 After Change To A New Port?

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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Ubuntu :: Port Forwarding Crutch - Number Of Apps That Are Unable To Have The Outgoing Port Changed ?

Mar 28, 2010

I'm not that great with mailservers, and just been thrown a curveball with a MS Exchange environment for which there is apparently no solution... yeah, right. But is there a workaround?

The problem is that the site mail (SMTP) needs to be sent via port 26 instead of the commonly used 25. Port 25 is mapped to a mailfilter, which apparently causes havoc with some of the mail, and the techs that have been on site trying to coax the Exchange server to co-operate have said that the only way would be to get rid of the filter.

The problem is that there are number of apps that are unable to have the outgoing port changed and so keep sending mail out on port 25.

I look after the Unix/Linux side of things at work, and I was wondering if there was an easy way to set up a Ubuntu box to receive mail on port 25 and just forward it to the MS box on port 26? So, in other words (and I hope this makes sense): monitor port 25, and forward whatever comes in on port 25 to the server on port 26. Simple portforwarding, or is it? What steps do I need to take?

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CentOS 5 Networking :: Change ISCSI Server Listening Port 3260 - Scsi-target-utils

May 14, 2010

iSCSI Server, can I change the default port 3260 to other port ?

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