firewall

  1. P

    Need help about ConfigServer firewall.

    Hello ! I am using ConfigServer Security and firewall. I have these things installed on my dedicated server :- CPanel CloudLinux LiteSpeed CSF JetBackup WHMReseller I want to know that is my firewall is properly configured or not , I want to know all ports Required for cpanel , CloudLinux...
  2. P

    ConfigServer Firewall Not Working Properly.

    Sir I installed latest ConfigServer firewall csf but it's not working properly. Sometimes it shows stopped and some times it shows enabled. I see this logs - Jun 18 20:47:35 server lfd[986063]: IPv6 Enabled... Jun 18 20:47:35 server lfd[986063]: LOAD Tracking... Jun 18 20:47:35 server...
  3. L

    WHM Firewall

    Hello, we are using plain cPanel, without CSF, and I would like to make some changes to currently applied iptables rules, what is the recommended way to customize firewall rules in a cpanel server? Thanks
  4. C

    [CPANEL-28146] iptables rules automatically overwritten

    Hey there, we caught this new iptables chain (cP-Firewall-1-INPUT) that was added last night, opening us up to the internet via WHM interface, SSH, etc. Checked lastlog, bash histories, etc., but am seeing no sign of anyone changing it through a specified command. None of our administrators...
  5. J

    SOLVED iptables -L invdrop

    Cpanel 11.80.0.15 on Centos 7. I am seeing the following errors when doing iptables -L INVDROP all -- anywhere anywhere ctstate INVALID INVDROP tcp -- anywhere anywhere tcp flags:FIN,SYN,RST,PSH,ACK,URG/NONE INVDROP tcp --...
  6. D

    Blocking IPs by Country?

    Hello, How do I block my site: - Removed - for IP's like those in china? As some countries (china, russia) attack much the sites BR I wanted to block these countries. I have in my firewall more than 2,000 IP's, however, I still would like to do the block by country. Does anyone have a tip in...
  7. bgarrant

    ConfigServer Firewall vs Juniper SRX 300 with cPHulk

    I have a single cPanel server and it is currently protected by a Juniper SRX 300 Hardware Firewall and CPHulk. I would really like to remove the hardware firewall and go back to use CSF, but I am wondering if anyone can advise on what I would lose or gain in making the change? I know CSF can do...
  8. L

    SOLVED 404 when I click ConfigServer Security & Firewall

    For some reason when I click ConfigServer Security & Firewall it no longer takes me to the firewall configuration page but instead, I am presented with a 404 page. Does anybody know how I can get CSF working again?
  9. M

    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 custom port so i don't use 21 port or share it with anyone else. I could simply block the incoming/out coming port from firewall or should i consider...
  10. P

    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 that I used to have CSF, but that isn't installed anymore (since months/years). Obviously I can't modify its configuration / settings. So installing...
  11. T

    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 network. Please refer to the following 2 screenshots. i.imgur.com/Ilmc6wL.png i.imgur.com/2SRTaRV.png
  12. F

    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. Installed CMS is php-fusion. All servers shows offline but when i disable firewall servers show Online. I have CSF firewall how i can configure it to all...
  13. C

    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 hosting. Lately I have found that a number of accounts have experienced high level of email spam and noticed that cphulk, csf firewalls and spamassassin...
  14. L

    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 that is hosted on cPanel and we occasionally run into problems due to our network firewall blocking some of the traffic. I have raised several tickets...
  15. PeteS

    FirewallD setup questions

    I may be totally misunderstanding thins, but... How to Configure Your Firewall for cPanel Services - cPanel Knowledge Base - cPanel Documentation says: Run the yum install firewalld command to ensure that your system has firewalld installed. Run the systemctl start firewalld.service command...
  16. I

    Problem CSF Firewall

    Estou tendo problemas desde a atualização para WHM 62, onde quando eu faço a remoção de alguns IPs e reiniciar o CSF fica carregado e gera um erro de 500 ------------------------- Erro do Servidor Interno 500 A operação do servidor cPanel expirou no cpsrvd.pl linha 531. Servidor Cpsrvd /...
  17. S

    CSF firewall problem

    I can't stand this anymore. I have a cPanel server (CENTOS 7.3 x86_64 vmware – core WHM 62.0 (build 21)) and a few sites use php_mailer to connect via SMTPAuth (port 587) to give emails to my second mail server to delivery. Everything is fine for days. Then all of a sudden the cPanel server...
  18. M

    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 ports have completely shared, the emails go out but not pure! I found no port to put the e-mail traffic again normal. If I allow the firewall everything...
  19. Harlequin

    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 websites. Is it possible somehow to ONLY block access to the WHM login but allow users to browse the sites on the server...?
  20. R

    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 IP's. 1st one is the main IP used by web server, ftp server & ssh. I changed mail server (Exim) IP address to 2nd IP. Currently if I scan my secondary...