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firewall

  1. S

    Issue DKIM enabled, yet email is not signed

    So, i have found this KB article: DKIM does not work: This message does not contain a DKIM Signature My symptom is that DKIM is configured correctly, yet i keep getting the error: This message does not contain a DKIM Signature when using the validator at dkimvalidator.com. So the only...
  2. P

    Resolved plesk firewall rules do not show up in iptables -L

    I have blocked some spammer IPs using a custom rule and run the activation script. At first I added 2 IPs and checked with IPtables -L Everything was as expected Then I added another 3 addresses and checked that the activation script lists the appropriate drop lines. After running the activation...
  3. Christoph Farnleitner

    Issue Plesk Firewall seems to prevent connection to remotely hosted database

    Hey Plesk 17.5.3#55 (multi server setup, hence not upgradable) I'm (unfortunately) running an odoo server within a docker. The database for this odoo inst is located on a remote host. The setup uses default ports (odoo: 8069, 8071 and 8072; redis: 6379, running in a docker as well on the same...
  4. C

    Question How can I use the 'Plesk Firewall' and 'Fail2Ban' Extensions, when I have a Dynamic IP Address?

    Recently, I decided to install the Plesk Extension: 'Plesk Firewall'. Upon installation, I set the Global Policy to deny all incoming connections. I then created the overriding rule to accept connections from my IP address. Initially, this worked fine. Anyone not coming from my IP...
  5. daedparrotsoftware

    Question If we Upgrade from 12.5 to Onyx How to setup firewall with Cloudflare

    We currently have a dedicated Centos 7.5 server running Plesk Parallels 12.5 and hosting a few wordpress sites. We also have the server behind the CloudFlare CDN & Cloudflare DNS and Firewall. This has worked great for controlling malicious traffic, but we still had some attacks coming straight...
  6. E

    Resolved Install Plesk firewall but Iptables and firewalld is not active

    HI, I just install the extension of the Plesk firewall and enable it with no issue, but if i go to terminal and check both IPtables and firewalld status , both is not active (dead). I wonder is that the way or should i enable manually?
  7. websavers

    Question Plesk 17.8 Firewall and default input chain rules

    Hey there, With Plesk 17.5 and earlier our defaults always seemed to be to have the system policy for the INPUT chain to deny all, then rely upon the exceptions Plesk sets up for us to allow traffic. This has always worked great. But with 17.8 the default appears to have the system policy set...
  8. P

    Resolved Which Ports do i have to open to recieve Mails? How does the firewall work

    Hello, i got a fully working mailserver and im playing with the firewall. my idea was, enable the services i really use, and then block all other outgoing and incoming traffic. i think this is i little bit more secure isnt it? so i set it up, leave the enabled presets of plesk like SMTP and IMAP...
  9. Γ

    Resolved Plesk firewall (remote redis)

    Good evening fellas, I have the following problem, I am trying to expose a redis server to the public in order to allow remote connections from other hosts, and I do manage to succeed this using Plesk firewall 1) Plesk Settings 2) Firewall 3) Add Custom Rule 4) Allow incoming at specific host...
  10. onycro

    Resolved Unable to confirm firewall rules management.

    Hey there. I use Plesk Onyx 17.8.11 on Ubuntu 16.04.4. I am using the awesome new "advisor". The tool suggests me to enable the firewall. I click activate. It loads for a few seconds. And then a message appears: "Unable to confirm firewall rules management." Which log file do I have to...
  11. B

    Issue FTP not working with Plesk Firewall

    Hi, i activated Plesk firewall with default option but i have a little problem with the FTP access. I can log-in but is impossible to read the folder list. How can i open port 20 and 21 vs a public IP client? Have i to do this from SSH or from Plesk settings? Thank you very much, Best regards.
  12. S

    Question Allow docker services to access host services

    Hi, today I noticed, that my firewall allowed all incoming ports. So I went to the firewall and changed the option "System policy for incoming traffic" to "Deny". Now all ports are blocked which have not been whitelisted. My problem is now, that my docker services (like Gitlab) can't connect...
  13. RickyDP

    Issue Can't access the upgrade page of Plesk

    Hi, I'm trying to access the "upgrade" page of Plesk because I need to upgrade Plesk (I have Onyx 17.0.17) and I also need to upgrade PHP. I tried to follow all the steps in those guides : • How to manage ports for Plesk on Linux Server • Which Ports Need To Be Opened for all Plesk Services to...
  14. K

    Input Suggestion - Firewall, how to maintan list of IPs

    Hello, I like to have all ports closed if it is possible, and opened only for specific IP addresses. And after some of time, removing, adding new IPs, at one moment it is very difficult to maintain the list in order. It would be nice if it is possible while we adding IP, to have description...
  15. M

    Question Plesk Firewall Problem

    Hello, I have the following errors when I activate the plesk firewall: file_get_contents does not work on all my sites. How should I set up the firewall ? Warning: file_get_contents(): php_network_getaddresses: getaddrinfo failed: Name or service not known in ************* on line 80...
  16. F

    Issue Domain resolve problem

    Hi, I have a strange problem with my VPS /debian 8.9, plesk 17.5.3/, the system was working perfectly until today morning when I received a cron error email: run-parts: /etc/cron.daily/60sa-update exited with return code 4 It turned out that I have more problems: some hosted sites are not...
  17. G

    Resolved Can't send mail - can't telnet to any destination on port 25

    Hello, after quite a lot of research I still haven't found a solution to this issue and I hope I can find one. I have a server that runs Plesk Onyx Version 17.0.17 Update #35, running on a 1and1 virtual cloud server. I noticed that since I started configuring the server I wasn't able to send any...
  18. M

    Question Plesk's Fail2ban

    I have personally not that much interest in fail2ban. I've written something like that some 8 years ago myself without ever hearing of fail2ban. What I wrote then is similar to what fail2ban is doing now. I'm writing my iptables rules directly in a file and it's loaded automatically if the...
  19. F

    Resolved add bulk ip to firewall

    Hi, i've already see a thread before but with no answer. i've a very big list of ip to add to a firewall rule, can i add this list with one command or i've to add every ip manually from gui? Thanks
  20. Y

    Resolved Is a manual change of the Postfix SMTP banner persistent?

    Hi, I'm operating Plesk Onyx behind a NAT firewall and have assigned a public IP address to the internal IP address as outlined in the documentation. But I do not want to change the hostname of the server to the PTR of the public IP address as the FQDN of the machine should correspond to its...
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