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Forum: Networking

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

  1. No longer able to connect to server!

    Hello, Thanks for looking at my post, I'm in dire need of some help! I can no longer mount my network server drive on our Debian Print Work...

    Started by PCSportswear, 5 Days Ago
    • Replies: 2
    • Views: 768
    4 Days Ago Go to last post
  2. Connecting 2 PC's over WiFi

    Hi,If there are 2 laptops, each with Wifi, is it possible to connect them so one can transfer files between em? Or even share peripherals such as...

    Started by resetreset, 1 Week Ago
    • Replies: 1
    • Views: 595
    1 Week Ago Go to last post
  3. Is advisable block based on tcpdump Refused output?

    Hello, the DNS server can log denied DNS queries and i can use fail2ban or configserver firewall to ban IPs with excessive denied log entries, but...

    Started by postcd, 3 Weeks Ago
    • Replies: 0
    • Views: 2,007
    3 Weeks Ago Go to last post
  4. PPPoE Remote Address

    Ok, so i'm having a bit of an issue with my ISP. My linux firewall has an IP address of I have internet in my building, provided by...

    Started by iamausername, 11-28-2017
    • Replies: 2
    • Views: 3,397
    11-30-2017 Go to last post
  5. 3 public servers: middle machine for traffic forwarding

    With the following machines... Server 1: PPTP client windows; Public IP: Server 3: PPTP server centos6; Public IP: Connecting VPN...

    Started by ipdm, 11-29-2017
    • Replies: 1
    • Views: 369
    11-29-2017 Go to last post
  6. SNTP Client

    For a project work in an ARM embedded device we need to write code that will sync time of device within that of the network. We plan to make use of...

    Started by uunniixx, 11-21-2017
    • Replies: 4
    • Views: 1,182
    11-22-2017 Go to last post
  7. How can I hide my ip address?

    I know there are lots of companies out there who provide software to hide ip's for anonymous browsing but I don't know which ones to trust - any...

    Started by Edwardorange1909, 11-03-2017
    • Replies: 6
    • Views: 2,439
    11-10-2017 Go to last post
  8. 1 VPS with 2 IP addresses. How to make them independent?

    I have this in /etc/network/interfaces: auto ens3 iface ens3 inet static address netmask ...

    Started by Douro, 10-27-2017
    • Replies: 0
    • Views: 1,041
    10-27-2017 Go to last post
  9. Question NtopNG Alert "Probing or server down"

    Hi, Recently I installed NtopNG 2.4.170403 - Community Edition. I found nearly 8000 alerts in the warning category and most of those indicate...

    Started by amithad, 10-25-2017
    • Replies: 0
    • Views: 664
    10-25-2017 Go to last post
  10. Question iptables nat pool binding

    Hello everyone, I am using linux box as router, I have SNAT with pool of public ip addresses. clients are having issue when some connections are...

    Started by waranty92, 10-18-2017
    • Replies: 1
    • Views: 1,229
    10-19-2017 Go to last post
  11. Gibberish when distributing files on cluster using torrents

    Hi all, I am running Ubuntu 16.04.1 LTS 64bit on a cluster and I need to be able to distribute large files on that cluster. My idea was to...

    Started by Dbugy, 10-05-2017
    • Replies: 1
    • Views: 1,717
    10-06-2017 Go to last post
  12. Usage of tcp_metrics

    Hello, I am trying to optimize a TCP server and found out about tcp_metrics. In real life, does the TCP stack really use this info? If yes how?...

    Started by nahum_nir, 10-04-2017
    • Replies: 0
    • Views: 398
    10-04-2017 Go to last post
  13. using wget as an offline browser to download all mp3 files from a webs

    Hi I am Rupesh from India and I want to download a website using wget for offline viewing I mean I want to mirror a website ie., want to maintain...

    Started by rupeshforu3, 10-01-2017
    • Replies: 3
    • Views: 761
    10-02-2017 Go to last post
  14. IPset, how do i create whitelist for some IPs?

    Hello, my iptables 1.4.7 are running on CentOS 6 with kernel 2.6.32 and ipset 6.11 my aim is to whitelist couple of IPs in iptables (no mater...

    Started by postcd, 09-29-2017
    • Replies: 4
    • Views: 632
    09-29-2017 Go to last post
  15. cannot ping

    hi i have two Pc with device USRP N210.The computer connected to the device of USRP N210 using Communication System Toolbox Support Packages....

    Started by fie, 09-29-2017
    • Replies: 1
    • Views: 343
    09-29-2017 Go to last post
  16. connecting 2 computers on different networks

    My friends child wants to learn to program, I'm helping out. They live on the other side of the city so remote support via ssh seems to be what i'm...

    Started by rhubarbdog, 09-29-2017
    • Replies: 3
    • Views: 396
    09-29-2017 Go to last post
  17. CentOS 6/7, IPv6 and firewall

    Hi, I have one CentOS 6 and one CentOS 7 server running. They were configured a while ago with IPv4. Now I've recently added an IPv6 address to...

    Started by iodisciple, 09-21-2017
    • Replies: 3
    • Views: 1,028
    09-22-2017 Go to last post
  18. Lightbulb Squid+ C-ICAP Solution to HTTPS blocked pages without denied reason

    So íve been researching this problem for a week now and I stumbled on the Diladele ICAP Server project, Rafael from it seen to have found the...

    Started by GeekZilla, 10-26-2016
    • Replies: 7
    • Views: 1,385
    09-20-2017 Go to last post
  19. Building a Firmware

    Hello, I have been working with linux for a while. I know C++, bash, pyhon, webbdeveloping. So im looking for a new challenge. So I started a...

    Started by rec0d, 09-17-2017
    • Replies: 3
    • Views: 793
    09-19-2017 Go to last post
  20. Restrict user to localhost for NodeJS server

    I have a server set up that uses Nginx to access several separate NodeJS servers so I have: outside world => nginx => nodejs server My...

    Started by ramabahama-dot-net, 09-13-2017
    • Replies: 0
    • Views: 663
    09-13-2017 Go to last post

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