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Forum: Networking

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

  1. The best command that shows to which server the IP is routed?

    Hello, what is the good Linux command that shows an IP address of the server to which an IP or IP subnet is assigned? I know the assigned IP,...

    Started by postcd, 07-21-2017
    • Replies: 8
    • Views: 2,887
    08-07-2017 Go to last post

    For almost 4 years (oh yes, since August 2013) I had a free mail account with It was a little patchy sometimes, but remained...

    Started by nihili, 08-06-2017
    • Replies: 2
    • Views: 1,397
    08-07-2017 Go to last post
  3. [SOLVED] blocking or blacklisting an ip address

    hello guys before hand i want to say i have very little skills about ip addresses . my problem is my ip address is routed through 2 other ip...

    Started by nuacht, 07-29-2017
    2 Pages
    1 2
    • Replies: 12
    • Views: 2,334
    07-29-2017 Go to last post
  4. [SOLVED] Rsync does not sync, no file at the destination

    rsync does not sync, no file at the destination update: i used wrong syntax. wrong: rsync -e "-p 22 server:/dir /dir" good..: rsync -e "ssh -p...

    Started by postcd, 07-25-2017
    • Replies: 0
    • Views: 713
    07-25-2017 Go to last post
  5. [SOLVED] Open-Source Cloud-Managed Firewall Distro.

    Hi, for those interested we've developed an OS cloud managed firewall. Thus far we've been focussed on the education sector and have developed some...

    Started by scottnoakes, 07-24-2017
    • Replies: 0
    • Views: 1,049
    07-24-2017 Go to last post
  6. [SOLVED] Create 2 firewalld zones on 1 linode, 1 external, 1 internal

    Hello, I have 2 linode servers with CentOS 7 installed with Network manager and Firewalld. I have the external ip and internal ip. The external...

    Started by snowfun87, 07-17-2017
    • Replies: 0
    • Views: 1,326
    07-17-2017 Go to last post
  7. What are some good free/affordable VPN scripts to install on my server

    It is something I've thought about for some time. I would like to sell home VPN services, and I was wondering if there are any free or very...

    Started by lnx1001, 06-27-2017
    • Replies: 1
    • Views: 1,073
    07-15-2017 Go to last post
  8. Question Network Monitoring setup Advice?

    Hey all New to the forums here and not sure if I'm putting this in the right section or not. Feel free to move it around if its wrong. Anyway...

    Started by pomtom44, 06-28-2017
    • Replies: 1
    • Views: 3,268
    06-30-2017 Go to last post
  9. How to I directly acquire IPv4 address space allocation?

    I want to know how to directly acquire IP address allocation bypassing server farms and colocation centers. I want to be directly issued IPv4 IPs...

    Started by lnx1001, 06-27-2017
    • Replies: 1
    • Views: 786
    06-27-2017 Go to last post
  10. Many-many IPs on same interface

    Hello, I need a special setup, where a linux box should act as star center in a network where all arms of the star have only a single device at...

    Started by zorgoz, 05-04-2017
    • Replies: 1
    • Views: 1,954
    06-27-2017 Go to last post
  11. Is the SSL handshake successful?

    I use curl to test access to a service through a proxy server. The curl output is pasted below with only the url replaced with **** for my companies...

    Started by Linux_789, 06-12-2017
    • Replies: 1
    • Views: 3,903
    06-16-2017 Go to last post
  12. No Internet connection

    Hi! I recently bought an laptop, Lenovo Legion Y720. I installed Linux Mint on it but doesn`t connect to Internet, wired or wireless. It has...

    Started by MarianG, 06-02-2017
    2 Pages
    1 2
    • Replies: 15
    • Views: 4,684
    06-14-2017 Go to last post
  13. iptables connection limits

    hi guys I need to solve 2 tasks with iptables, first I need to limit 100 connections from any /24 network on internet, second I need to drop packets...

    Started by waranty92, 06-02-2017
    • Replies: 4
    • Views: 1,625
    06-11-2017 Go to last post
  14. Lightbulb Network Monitoring Software

    Hi, Could I know a good network monitoring software that runs in promiscuous mode? Inline mode : internet ---- router ----- LAN ( network...

    Started by amithad, 01-26-2017
    2 Pages
    1 2
    • Replies: 14
    • Views: 4,166
    05-25-2017 Go to last post
  15. macs/linux machines not getting DHCP IP address

    hi all, got a problem (quite serious) where macs/linux machines are not getting an IP address from the DHCP server windows and android devices...

    Started by robertw, 05-11-2017
    • Replies: 1
    • Views: 3,717
    05-11-2017 Go to last post
  16. Help with TC

    I'm fairly new to linux, and had a lot of help from these forums getting going. I'm trying to set up bandwidth limiting on my linux router, and I...

    Started by JasonStonier, 04-27-2017
    • Replies: 1
    • Views: 2,316
    04-27-2017 Go to last post
  17. How do I set up this SSH tunnel?

    Hi everyone, I am having a really hard time setting up an SSH tunnel. I have looked at tutorials and how-to pages everywhere, and I find the man...

    Started by justinschw, 04-24-2017
    • Replies: 8
    • Views: 3,160
    04-26-2017 Go to last post
  18. Question Are iptables connection tracking rules specific to a particular table

    Scenario: The router is configured to provide Internet access to internal clients and does not have open ports on the wan_face. Goal: To allow...

    Started by uihdff, 04-18-2017
    • Replies: 0
    • Views: 1,750
    04-18-2017 Go to last post
  19. [SOLVED] why eth1 with auto dhcp disturbs pppoe over eth0

    Hi, I use ubuntu 16.04 desktop with ufw (default setup + 22, 80, 443 ports open). I connect directly to ISP using pppoe over eth0. I also have...

    Started by adrhc, 04-15-2017
    • Replies: 5
    • Views: 1,821
    04-16-2017 Go to last post
  20. tunnel with ipip

    Hi, ive played around with a tunneling setup but got some problems... this is my network: local lan -> router -> internet -> vps for...

    Started by Havana_Cola, 03-07-2017
    • Replies: 0
    • Views: 6,133
    03-07-2017 Go to last post

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