we have centos and a win2k8 server. Our pos system is on the centos server. I created a HOST (A) record on win2k8. so users don't have to remember the ip address of the centos server.so i created a friendly name like URL... and the POS web page will be loaded.but my questions is it possible to configure the centos to automatically append the port number if the user type URL... will be auto added at the end of it.
View 3 RepliesCode:
cat ${SOURCE}/{start,universal,index,end}.txt > ${SERVER}/index.html
cat ${SOURCE}/{start,universal,02042010,end}.txt > ${SERVER}/02042010.html
[code]....
im using CentOS 5.2 and cant change my default ssh port number. I have edited /etc/ssh/sshd_config to this
Code:
#$OpenBSD: ssh_config,v 1.21 2005/12/06 22:38:27 reyk Exp $
# This is the ssh client system-wide configuration file. See
# ssh_config(5) for more information. This file provides defaults for
# users, and the values can be changed in per-user configuration files
[code]....
I have then restarted ssh by typing (as root) "sbin/service sshd restart" and it restarts fine but still is on 22 and not 222.
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?
I have system with debian linux installed. i got to know that debian doesent have IPTABLES firewall installed in built. i found the shoerwall firewall installed on system. now i wanted to open port no.7 for application comunication purpose please let me know if any one knows.also one more thing.. if i type command iptables --list i can see list of rules installed on ssytem....confuse which firewall application installed on the system.
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View 5 Replies View Relatedi have installed CentOS along with ISPConfig. For some reason apache will not run it says there are no listening sockets avaliable. I have done a netstat and also tried nmap to see if any other service was using port 80 but it doesnt show anything. I also tried changing the port number to something like 81 still no go. On bootup of CentOS it shows the error and a message saying unable to open logs.
View 1 Replies View RelatedHow do I get FTP to use a specific port number? .. I read the manual but cannot work this one out.
View 2 Replies View RelatedIs it possible to setup SSH Daemon to listen on multiple ports and only accept specific groups to a given port? In the past I've created a second SSH Daemon by copying the config file and /etc/init.d/ daemon then configuring each port separately / rules however if I was able to maintain just the one Daemon that would be optimal. Is this possible?
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View 2 Replies View RelatedI'm trying to grok a problem I'm having with an embedded machine. I'm pretty sure I can track down the larger problem, but I came across a usage of ifconfig that I don't understand, and I'm pretty sure this is the command that is failing.
The command is: ifconfig eth0 192.168.78.20:9134
I understand how ifconfig works. What I don't understand is the :9134. I can't see anything in the docs about what this means. I know in most contexts it's a port number, but what does it do when bringing up a network interface? Does it limit it to only using port 9134?
I have 3 gateways in my office. I want to redirect all web traffic (port 80 and 443) through one gateway and ssh connections through other one. All machines have single network interface. For this what I did is created an ip alias et0:1 and assigned ip to it. Then wrote an ip route rule to route packets from eth0:1's ip to other gateway. All other traffic will go through default gateway. But here I am not sure how I can make web browser to use eth0:1's ip. It's using eth0 's ip. I wrote a ip table rule to change source ip of http packets to et0:1's ip. But rule is on POSTROUTING chain. So I think it's happening after routing.
View 4 Replies View RelatedI am working with simple tcp client to establish connection to sockaddr_in servAddress and send data segment:
...
connect(sockfd,&servAddr,sizeof(servAddr)) < 0)
send(sockfd, pkt, pktLen, 0);
close(sockfd);
...
Elementary... Here's the tricky part: next i have to handle user level ack the server is sending to "client"... To do that i have to open server socket on the same port number the system assigned to my client socket before. How can i get it ( in user level code)?
I've got 10.04 on a headless server on a home network. I've edited /etc/ssh ssh_config and changed line 39 from:
# Port 22
to:
Port 30000
I then
user@server$: sudo /etc/init.d/ssh reload
from the host
user@desktop$: ssh servername -p 30000
ssh: connect to host servername port 30000: Connection refused
What am I doing wrong? I've also tried completely restarting the computer.
I enabled D-Link (DSL-502T) router web management (I am aware of security implication). I was able remotely to login to the router (by typing http://23.45.xx.6y) before changing the default number 80. Then I changed the port number from the default value 80 to 21908 (https option is not available) for better security, and when I tried to login to the router by typing this :
http://23.45.xx.6y:21908
Yes I am aware that if I am physically near to the router then I can check that , but this is not the case with me. How can I make sure that I had changed port number form 80 to 21908? Does NMAP do a trick to reveal which port is used for web management ? or are there other better options?
currently i want to configure sendmail port number 25 im using these port numberalready how can i chage my senmdail port no.
View 2 Replies View RelatedI have connected my moblile Nokia 3110c using a data cable to usb to a ubuntu-pc.How can i kanow to which port it is connected and how to confirm this port is using wvdial or not?
View 3 Replies View RelatedIs there a limit to the number of partitions/logical volumes you can create using the partman-auto recipes? If not, any thoughts on why my preseed using the values included below results in only a /boot partition and logical volumes root, swap, and user? Is there another way to achieve putting /, /tmp, /var, /usr, /usr_local /opt, etc on their own logical volumes with preseeding?
View 1 Replies View Relatedi am using 9.10 karmic. Firewall is enabled. added ports with ufw allow [portnumber], and i still cannot connect to a port number. iv tryed ufw allow ssh/tcp but that does not work. the ports work when i disable the firewall and i dont want to do that.
ufw is available in all new installations of Ubuntu since 8.04 LTS, but is disabled by default. The standard Ubuntu installation has a no open service ports policy, so enabling the firewall by default doesn't gain any extra security in the default installation, but could provide confusion for people new to Ubuntu when new software that is installed does not work because of restrictive firewall rules. As a result, when first adding ufw to Ubuntu it was decided that users must 'opt-in' to using the firewall. In Ubuntu 9.04 and later, you can enable ufw during installation using preseeding. See /usr/share/doc/ufw/README.Debian for details.
How to number of connections for a single ip on port 80 to CentOS 5.5 with iptables? connlimit did not work on CentOS and nginx does not provide a module for that
View 4 Replies View RelatedI have a website example.com, serving pages on port 80. I want the url example.com/redmine to be rewritten to port 3000, where my redmine server is running, without actually changing the URL. So the user typing in example.com/redmine/test would serve up example.com:3000/test, without the user actually connecting through the port. I know this can work through CPanel, but I don't know exactly how it was implemented. I'm looked at how mod_proxy, mod_proxy_html, and mod_rewrite,
View 4 Replies View RelatedI am trying to create a socket to listen for a bootp response so I am using a PF_PACKET socket so that I get the response based on my mac. My problem is that I don't want to hear all traffic (as I do now) so would like to use a specific port number and bind to it.
View 1 Replies View RelatedI know similar questions have been asked before but I cannot seem to get it to work.I have a file file.something.nhMMYY that i need to ftp (MMYY being Month and Year)I want to add something into the script to auto-magically insert the MMYY.
View 8 Replies View RelatedI'm doing an assignment for school, and while we have not yet learned regular expressions, my teacher would like us to use AWK to append text to certain lines in a file. What we've had to do is creating a listing of all links and directories in the /etc folder and place them in a text file. From this, we were to cut the first field (Permissions) and the ninth field (filename) and create another text file. Now the part that I'm struggling with is this and I'm not sure if I should be using sed or awk. We're supposed to ADD the text "DIR" to the beginning of any line that is a directory, and "LNK" to any that is a link, like so:
DIRdrwxr-xr-x redhat-lsb
DIRdrwxr-xr-x rhgb
LNKlrwxrwxrwx rnDIRc.key
DIRdrwxr-xr-x rpm
Obviously, I realize that the first character in the permissions denotes what sort of file it is, hence when I created my text file I used
ls -l | grep "^d" > file.txt
and
ls -l | grep "^l" >> file.txt
I'd like to learn how to properly do this, but struggling through pages on the internet hasn't been helping, nor has the --help command. Therefore, while I would like the answer, I'd also like to know what the heck I'm doing For example, I know I could delete lines with regex using d/[STUFF I WANT TO DELETE]/g (To get rid of all occurences) and I can substitute using s/foo/bar But I'm unaware of anyway to ADD text upon certain occurences, let alone two different circumstances.
the query is ||| how to append a char | string |||
#!/bin/bash
echo -n "one""two""three"
#END
above method is working well but below method is not working ?
#!/bin/bash
one=one
two=two
three=three
echo -n $one$two$three
#END
i just want to create a folder with current time.
For example.
foldername_09042010 How do i modify mkdir or write script to do this?
Greetings, I want to automatically append flags to certain commands. For example, when I type:
ls
at the prompt, I want the
-la
flags automatically appended without me having to type:
ls -la
Can you please let me know how can i append # in the begining of each line Based on a a search string lile /^8282##8282/gc
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