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  • The Horde webmail has been deprecated. Its complete removal is scheduled for April 2025. For details and recommended actions, see the Feature and Deprecation Plan.

firewall

  1. Y

    Question How to block mails from TLD (Domain Extension) ?

    Hello, I wonder if there is some way to block mails from Top-Level Domain (TLD). I have tried with the firewall of Plesk, without success. I want to block the tld .sbs (brazil) for example. Can somebody help me ? Thanks !
  2. R

    Question Disable FTP on single ip address

    Hello, we need to block FTP traffic for one of the dedicated IPs on our server. I tried to add a firewall rule, but i cant setup a rule using incoming on port 21/tcp for a single destination. (incoming has only a from field not a destination field, destination is always 0.0.0.0). Also tried...
  3. M

    Issue Database Connection Refused 10 mins after Deploy

    Hello, I recently purchased a VPS server from GoDaddy that is running Plesk. I have a .NET 9 with React application running on the VPS. Currently in my local environment, I am able to smoothly run the application and connect to the database that is hosted on the VPS. When I deploy the...
    • mdberry
    • Thread
    • .net core 9 access denied access denied error error 500 firewall mysql mysqlconnector windows server 2022
    • Replies: 1
    • Forum: Plesk Obsidian for Windows
  4. TheColin21

    Resolved Docker outbound traffic gets blocked after 18.0.67 Update #3

    My Ubuntu 22.04 server updated Plesk from 18.0.67 U2 to 18.0.67 U3 today. A few minutes later my monitoring emailed me about all external hosts being down. I am running CheckMK inside a docker container. I then noticed that all my Docker containers were now unable to communicate outside of my...
  5. X

    Question Blocked IP and Country ISO Code

    Hello, I've added the ISO country code and the IP addresses of visitors from a specific country to my website's firewall settings, but I still see traffic from that country. I configured this under Tools & Settings > Firewall, but it doesn't seem to be blocking them. Do you know why this might...
  6. EdgarEstrada

    Issue Rigid firewall configuration.

    Hello My Plesk Obsidian (CentOS) server has two IP addresses (on the same network card) to serve some sites on one IP and an e-commerce site on another IP. The E-commerce site requires ports 80 and 443, while the other IP requires 21, 25, 80, 110, and others. It seems I can't do this using the...
  7. jola

    Issue Firewall stops working

    Two of my Plesk based web-servers have recently had problems with the Plesk Firewall. For some strange reason the firewalls have stopped working. It is difficult to notice when this happens. Fortunately I have an ISP that sends me a warning email if I have an open Port 111 to the Portmapper...
  8. Z

    Question Is there a way to block already known abusive IP before they can reach the server?

    Is there a way to block already known abusive IPs before they reach the server? What kind of methods do you use? We have crowdsec. And CAPI which blocks roughly 55k IPs. We also blocked two countries and other IP CIDR ranges with the plesk Firewall rules. Is there a possibility to block all...
  9. 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...
  10. 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... "
  11. 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...
    • dmcgrat4
    • Thread
    • docker docker container firewall headscale port 8080 tailscale unreachable
    • Replies: 0
    • Forum: Open Topics
  12. 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...
  13. 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?
  14. 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...
  15. 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
  16. 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...
  17. 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
  18. 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...
  19. 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...
  20. 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.
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