Please whitelist cPanel in your adblocker so that you’re able to see our version release promotions, thanks!

The Community Forums

Interact with an entire community of cPanel & WHM users!

firewall

Page 1 of 2
  1. Michaelit
    Thread

    Can I block port 21?

    Hello to all, i would like to ask if i will be able to block FTP 21 port. Is something that i should be aware of? I am currently use SFTP with a...
    Thread by: Michaelit, May 8, 2018, 1 replies, in forum: General Discussion
  2. PatrickVeenstra
    Thread

    SOLVED Open port 3306 (without CSF)

    I'm trying to connect remotely to my MySQL database, but port 3306 is closed (telnet can't connect). I guess it has something to do with the fact...
    Thread by: PatrickVeenstra, Apr 18, 2018, 7 replies, in forum: Database Discussion
  3. Teo En Ming
    Thread

    Configuring Firewall Rules for cPanel?

    Good morning cPanel and Google Cloud Platform users, This is how I have configured firewall rules for cPanel and WHM in Google Cloud Platform VPC...
    Thread by: Teo En Ming, Jan 2, 2018, 1 replies, in forum: Security
  4. filip212
    Thread

    PHP function fwrite() problem

    Hello, I have problem with use php function fwrite(). I have php server status script which use fsocket fwrite and some other functions....
    Thread by: filip212, Aug 27, 2017, 4 replies, in forum: Workarounds and Optimization
  5. cannon303
    Thread

    Firewalls keep getting turned off

    Hi I'm new to this forum so hope i'm posting in the right place. I have a dedicated server with WHM and all accounts have cpanel. It is managed...
    Thread by: cannon303, Aug 12, 2017, 3 replies, in forum: General Discussion
  6. Loneweaver
    Thread

    Firewall Exceptions For cPanel Server

    Hi all I'm kind of struggling with setting up my cPanel server due to our strict network security standards. We currently have a live website...
    Thread by: Loneweaver, Jul 8, 2017, 3 replies, in forum: Security
  7. PeteS
    Thread

    FirewallD setup questions

    I may be totally misunderstanding thins, but... How to Configure Your Firewall for cPanel Services - cPanel Knowledge Base - cPanel Documentation...
    Thread by: PeteS, Jun 19, 2017, 16 replies, in forum: Security
  8. mr.robot
    Thread

    Problem with incoming e-mails because of firewall

    Hi, I am doing my iptables to set up and have the following problem. Since I lock the incoming ports and unblock individually and the outgoing...
    Thread by: mr.robot, Apr 13, 2017, 1 replies, in forum: E-mail Discussion
  9. Harlequin
    Thread

    Country Level Blocking

    I've been using Security & Firewall - csf v10.05 to block users and it's working well but it's also blocking genuine users from accessing the...
    Thread by: Harlequin, Apr 9, 2017, 5 replies, in forum: Security
  10. richardev
    Thread

    Change mail IP and close ports

    Hello. I was wondering if and how it is possible to remove/disable/close specific ports on IP. I have VPS running CentOS and the server has 2...
    Thread by: richardev, Apr 8, 2017, 1 replies, in forum: E-mail Discussion
  11. Mikeyc
    Thread

    SOLVED WHM won't load but SSH/Cpanel/WWW all work

    Been a cPanel user for a long time but just installed an instance in Azure. Having some trouble getting things to work properly. Yesterday it...
    Thread by: Mikeyc, Mar 22, 2017, 3 replies, in forum: General Discussion
  12. Rodrigo Gomes
    Thread

    Prevent abuse of outgoing traffic for ports 80 and 443

    I've created the rule below to protect against abuse on outbound traffic. But I wonder if this rule will not break the cpanel in any way?...
    Thread by: Rodrigo Gomes, Feb 28, 2017, 4 replies, in forum: Security
  13. keat63
    Thread

    Closing smtp ports question

    I'm fed up of checking my logs daily to find brute force login attempts on emails, some times as many as 50 over night. So in CSF I closed ports...
    Thread by: keat63, Feb 28, 2017, 12 replies, in forum: E-mail Discussion
  14. mr.seooom
    Thread

    Open port 3306 on the server

    I'm going to open port 3306 if you would instruct the server Hetzner I Plums in port csf but signals an error Signals an error please guide me
    Thread by: mr.seooom, Feb 19, 2017, 2 replies, in forum: Database Discussion
  15. frack
    Thread

    SOLVED Added second account/domain => ip unreachable

    I have my main site hosted on a VPS through WHM/Cpanel. I wanted to add a second website to my VPS. So I simply created a new cpanel...
    Thread by: frack, Feb 3, 2017, 2 replies, in forum: Bind/DNS/Nameserver
  16. Musthafa
    Thread

    Saved iptables rules not found

    Hi, I am trying to block a particular IP accessing my server via iptables as "iptables -I INPUT -s x.x.x.x -j DROP" Then saved iptables by...
    Thread by: Musthafa, Jan 2, 2017, 11 replies, in forum: Security
  17. sahostking
    Thread

    SOLVED Any issues if I block port 23

    Noticing tons of blocks with CSF on to port 23. That I assume is telnet port. Would anything break in cpanel if I blocked port 23? I assume its...
    Thread by: sahostking, Dec 12, 2016, 1 replies, in forum: Security
  18. zawack
    Thread

    Not Receiving email

    Hi, I decide to run my own cPanel server in my servers room in my house but this is the issue I have. If I send emails, the peoples who I send...
    Thread by: zawack, Oct 18, 2016, 3 replies, in forum: E-mail Discussion
  19. SSy
    Thread

    IP unable to access server

    I don't have a firewall installed as far as I know, and I checked the brute force thing and there are no IPs on the blacklist. A customer of mine...
    Thread by: SSy, Oct 7, 2016, 3 replies, in forum: Security
  20. durangod
    Thread

    what happens if i didnt turn off my centos firewall before installing

    Im doing my 15day trial and i saw the link to install via command line and knowing i had plenty of system to install cpanel i just started it...
    Thread by: durangod, Sep 26, 2016, 2 replies, in forum: General Discussion
Showing results 1 to 20 of 25
Page 1 of 2
  1. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
    By continuing to use this site, you are consenting to our use of cookies.
    Accept Learn More...
    Dismiss Notice