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Forum: Networking

Help requests related to Linux networking: setup, configuration, internet connection sharing, iptables, etc

  1. Question Can't send mail from my local MX to public domains.

    Hello Everyone, I just configure local MX server on CentOS 6.6 using postfix, Well i can send mail to local user but I can't send mail to...

    Started by Metalconner, 02-27-2015
    • Replies: 2
    • Views: 345
    05-17-2015 Go to last post
  2. reverse tunnel connect with ip vs domain

    Hello, I have a very strange effect here and hope someone can give me the right hint what else to check: Setup is: two raspberries with debian...

    Started by tjareson, 05-14-2015
    • Replies: 1
    • Views: 244
    05-14-2015 Go to last post
  3. Lightbulb results for a ping6

    Okay, here goes. I can't test this but I wanted to confirm it. It's actually a plot device in a novel I am completing. Devices: "Router" which...

    Started by Centurion030, 05-08-2015
    • Replies: 2
    • Views: 390
    05-09-2015 Go to last post
  4. iptables port mirroring issue

    Hello! Using iptables, I am mirroring all traffic on udp port 1514 from a production CentOS server to a dev CentOS server. As such, the dev...

    Started by mr_future, 05-01-2015
    • Replies: 4
    • Views: 569
    05-08-2015 Go to last post
  5. Net access with a dongle

    I just got a dongle, in the manual it says stuff about running stuff that's on it (actually on a CD, but no CD came with it, and I found the file...

    Started by resetreset, 04-30-2015
    • Replies: 2
    • Views: 187
    05-03-2015 Go to last post
  6. How to get a USB dongle working

    Will dongles work with Linux to connect me to the net on Fedora 20? How do I set it up? This is the sort of dongle that also does Wifi, but I won't...

    Started by resetreset, 04-23-2015
    • Replies: 7
    • Views: 356
    05-02-2015 Go to last post
  7. remote into linux question

    Hey all, its been a long time since i have messed with linux, I want to build a new linux box for a specific reason but have a question. I need to...

    Started by doox00, 04-29-2015
    • Replies: 1
    • Views: 216
    04-29-2015 Go to last post
  8. Question alpine - infinite busy after suspend

    ( I tried searching for posts that could already have answered my question, but seems the is down ATM,...

    Started by Rava, 04-28-2015
    • Replies: 2
    • Views: 279
    04-29-2015 Go to last post
  9. [SOLVED] Something is establishing a DHCP connection when a cable is plugged in

    I use netctl with a static IP profile for wifi and wired as the cable isn't always plugged in. Strangely, when I start up the PC with a network...

    Started by lightstream, 04-26-2015
    • Replies: 2
    • Views: 307
    04-26-2015 Go to last post
  10. Question iptables rule help needed

    I have several network interfaces in my server. What I need is to have a rule, which does all of the following: 1. will block all traffic... 2....

    Started by Lockheed, 03-09-2015
    • Replies: 1
    • Views: 345
    04-25-2015 Go to last post
  11. How to use IPSEC VPN with a gufw firewall?

    How do I use gufw with an IPSEC VPN? Also, I use an ssh tunnel with gufw & I've allowed port22. In editing the properties for one of the rules it...

    Started by prost, 04-23-2015
    • Replies: 1
    • Views: 194
    04-24-2015 Go to last post
  12. Cisco Anyconnect Secure Mobility Client on Ubuntu 14.04

    I started a new job this week and they're using a cisco vpn that uses SSl certificate verification along with entering a code from a keyfob (so...

    Started by cheesecake42, 04-23-2015
    • Replies: 0
    • Views: 452
    04-23-2015 Go to last post
  13. Talking emulate fencing device with vmware workation

    Hi every one. I'm using centos 6 with vmware workation to learn the clustering I want to know how I can emulate the fencing device Thank you

    Started by adel87, 04-23-2015
    • Replies: 2
    • Views: 207
    04-23-2015 Go to last post
  14. Data usage in Linux based router

    Hi, I want to implement a script which gives me the number of devices connected on router and also the data usage of each device. So i was going...

    Started by oxpac, 04-20-2015
    • Replies: 3
    • Views: 333
    04-22-2015 Go to last post
  15. Path MTU discovery not working with transparent proxy

    Hello all, I have a setup where a client VM is connected to a NAT box which masquerades outgoing traffic and also DNATs HTTP/HTTPS traffic to a...

    Started by justinschw, 04-02-2015
    • Replies: 2
    • Views: 453
    04-10-2015 Go to last post
  16. New to linux can not use wifi with my labtop

    Hi. I have linux rebecca. My labtop is a dell inspirion. It says it is connected to wifi but when I go to use the internet it says server not found....

    Started by rinmancustom, 03-08-2015
    • Replies: 4
    • Views: 671
    04-04-2015 Go to last post
  17. Exclamation List hostnames of LAN

    I've been trying all night to come up with an answer for this, but have seemed to come up empty. I'm trying to find a way to show the hostnames of...

    Started by SethGandy, 02-26-2015
    • Replies: 2
    • Views: 403
    04-02-2015 Go to last post
  18. How to implement k-means

    Hello sir ,I have implementd LEACH protocol in ns2.34 in centos.I have to apply k-means algo on LEACH protocol for cluster head selection in leach...

    Started by Rizwana, 03-26-2015
    • Replies: 4
    • Views: 469
    03-27-2015 Go to last post
  19. [SOLVED] Strange established connection to my PC!

    Hello everyone! I would like to have your opinion on this established connection to my PC, the strange thing is that there is no Pid or a program...

    Started by Ammar89, 03-18-2015
    • Replies: 2
    • Views: 479
    03-19-2015 Go to last post
  20. Connect to Windows VPN Server

    Hi, I would like to know how to setup the VPN client on Oracle Linux to connect to Windows base VPN server by IP.

    Started by alphatan, 03-19-2015
    • Replies: 0
    • Views: 214
    03-19-2015 Go to last post

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