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firewall

  1. wakabayashi

    Question SMTP Firewall - is it possible to block brutforce attacks?

    Hello In my logs a see random trials to connect to my mail server. Entries like this While I am using Fail2Ban. It's still very annoying to see such attacks over and over again. I thought, that I could geoblock it with the SMTP Firewall Settings. I set this to "Allow from selected sources...
  2. S

    Question The firewall configuration is being applied... Message does not disappear

    Hello, After saving the firewall rules the message below does not disappear, in the meantime I already have 2 messages "Die Firewall-Konfiguration wird angewandt... "
  3. D

    Issue Headscale on Plesk/Client Unable to Reach Server/Firewall Configs

    Hi all! I am currently trying to set up Headscale( a self-host alternative to the Tailscale control server) on the Plesk server and am facing some issues that I believe have to do with being able to reach the port on the server and wanted to see if anyone had any suggestions. I will provide...
  4. A

    Issue Firewall enabled but rules still gray

    Hi, I am running Plesk Obsidian Web Pro Edition 18.0.63 Update #2 on Debian 12. Everything seems to function fine; the firewall extension is enabled, but all the rules are still grey. I have used Plesk before, where the colours of the rules were either red or green, and judging by the screen...
  5. E

    Question Allow DLLs in Web App Firewall

    I have deployed a Blazor WASM and all DLLs are getting a 403 as soon as you hit the site. How do I allow them?
  6. D

    Issue Plesk Firewall does not add changes to zone (CloudLinux)

    I am using Plesk firewall extension to open some ports on my CloudLinux 8 server but I am unable to open certain ports because the Plesk firewall interface does not add the rule to firewalld: The operating system has no modifications and I am not using security extensions like Imunify360. I...
  7. L

    Issue Extensions and firewall dont show up

    Hi, On Almalinux 9, the plesk firewall and any other extension does not show up. I try this post https://support.plesk.com/hc/en-us/articles/12387716023063-Unable-to-activate-Plesk-Firewall-Error-The-firewall-rules-management-has-not-been-enabled With not result. Any help is appreciated
  8. F

    Issue SQLmap attack detected (ID: 218500) on blank page

    Hi, I just created new subdomain. I didn't do anything on that page but I already get forbidden 403 code. I found out that Web Application Firewall (builtin from Plesk) threw the error: ModSecurity: Access denied with code 403 (phase 2). Pattern match...
  9. S

    Question Rule to block in plesk firewall all traffic from ports that plesk does not use?

    Hello, It is possible to create a rule in the plesk firewall in order to block all connections from ports that plesk does not work? If the response is yes, how can I do it? Anyone did this and how was your experience? Thank you in avance
  10. S

    Issue Cant activate the plesk firewall

    Hello I'm trying the whole day to activate the firewall, but I always get a NetworkError when attempting to fetch resource. via GUI and If I use Two of my terminals got kicked out. But I could manually set these command to get back in the server iptables -A INPUT -p icmp --icmp-type 8...
  11. F

    Question Whitelisting IPs in Firewall > How to include our dynamic IP?

    Hi all, our client forces us to blacklist all IPs in the firewall but Cloudflare which he wants to route all traffic through. I was wondering how I can ensure my own access to Plesk as we don't have a company network with static IPs or similar. Do I really have to use a VPN service with static...
  12. M

    Question "Block email submissions except from one IP."

    Hello, I'm facing the following issue. I need all the email accounts on the server to only allow login if they are from a specific IP address, except for 3 accounts that can login from any IP. How can I achieve this? I tried modifying the blacklists.db but couldn't succeed.
  13. N

    Resolved Plesk Firewall Import create double entries

    I have an entry like this in the export: { "name": "Allow Incoming Database Connections", "direction": "input", "action": "allow", "ports": "3306/tcp", "from": "XX.XXX.XXX.XXX", "class": "custom", "type": "custom", "originalId"...
  14. T

    Question Using an external firewall to block Plesk ports

    We use IONOS as our hosting provider and they offer an external firewall to protect the server. We normally restrict the ports below to a range of IP addresses. 22 8443 8445 21 49152-65535 This covers - SSH, FTP and Plesk login attempts before they even hit the server. Are there any possible...
  15. J

    Question How to add firewall rules using Plesk API

    I need information on how to add/remove records to the windows firewall through the API
  16. J

    Question Port cisco-sccp

    Hello I've seen the port 2000 cisco-sccp open in my domain. What is this port? Thanks
  17. S

    Question NTP port

    Hi, I was configuring a new firewall (a MikroTik CHR) for a customer to sit in front of their new Plesk web server (deployed using the Plesk provided qcow2 with Ubuntu 22.04 and Plesk pre-installed) and I was going through all the ports I needed to NAT / firewall from this guide... Which ports...
  18. P

    Issue plesk firewall 2.1.5-412 still has problems

    I still have problems with the new plesk firewall. After I set the timeouts in panel.ini to 120s I was able to activate the firewall and iptables -L did show all the rules. Then I tried to block two IP ranges by adding a block-all rule to deny all incoming ports for 218.92.0.0/24 and...
  19. E

    Resolved NGinx deny rules and Firewall (iptables?)

    Hi, I have a problem with a production machine. My Firewall (Plesk->Extensions->Firewall) tells me that I have to apply the changes. But when I try to it simply halts the machine (or the network, who knows) to the extend that I cannot ping it and I have to hard reset the server for it to work...
  20. brother4

    Issue Failed to apply the firewall configuration - [ext-firewall] set to 40 seconds

    I've only one custom firewall rule I want to add: port 8080 incoming. I've already set [ext-firewall] confirmTimeout = 40; in panel.ini. But I get the error every time: Any ideas?
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