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Threads 1 to 20 of 66

Forum: Security, protection

Linux firewalls, security, attack prevention, protection discussion forum.

  1. [Solved] The "nat" table is not intended for filtering, the use of DROP is therefore inhibited

    Started by Fli, 01-23-2025 04:39 PM
    • Replies: 0
    • Views: 1,017
    Fli
    01-23-2025, 04:39 PM Go to last post

  2. How to block Tencent IP ranges/subnets, in order to block site crawling bots?

    Started by Fli, 10-11-2024 08:04 PM
    tencent
    • Replies: 0
    • Views: 1,989
    Fli
    10-11-2024, 08:04 PM Go to last post

  3. [Solved] Cronjob: remove ban of a certain hostname in case it appears in iptables firewall

    Started by Fli, 10-09-2024 09:20 AM
    • Replies: 0
    • Views: 912
    Fli
    10-09-2024, 09:20 AM Go to last post

  4. [Solved] WORKAROUND: This server does not support TLS session resumption on the data

    Started by Fli, 10-09-2024 05:15 AM
    • Replies: 0
    • Views: 890
    Fli
    10-09-2024, 05:15 AM Go to last post

  5. [Solved] Linux: How to verify that the downloaded software file was not tampered/compromised?

    Started by Fli, 12-02-2023 09:43 PM
    gpg
    • Replies: 0
    • Views: 7,149
    Fli
    12-02-2023, 09:43 PM Go to last post

  6. How to encrypt /home/username folder on Linux if not done it during OS installation

    Started by Fli, 09-27-2020 10:26 AM
    • Replies: 0
    • Views: 8,462
    Fli
    09-27-2020, 10:26 AM Go to last post

  7. Types of DDoS attack?

    Started by Fli, 10-02-2013 07:29 PM
    ddos
    • Replies: 1
    • Views: 8,716
    JasonRoberge
    08-27-2020, 02:07 PM Go to last post

  8. Tutorial: enabling vsftpd bruteforce protection in Fail2ban on CentOS 7

    Started by Fli, 07-17-2020 09:01 AM
    • Replies: 0
    • Views: 5,455
    Fli
    07-17-2020, 09:01 AM Go to last post

  9. [Solved] Tutotial on how to open port on Linux OpenVPN server

    Started by Fli, 04-07-2020 09:12 PM
    • Replies: 0
    • Views: 6,031
    Fli
    04-07-2020, 09:12 PM Go to last post

  10. [Solved] [solved] Firewall blocking traffic on CentOS7: FORWARD_IN_ZONES, FORWARD_OUT_ZONES..

    Started by Fli, 11-11-2019 06:40 PM
    • Replies: 0
    • Views: 5,503
    Fli
    11-11-2019, 06:40 PM Go to last post

  11. Command to block multiple ports in iptables & ipset?

    Started by Fli, 01-20-2018 04:02 PM
    • Replies: 0
    • Views: 8,672
    Fli
    01-20-2018, 04:02 PM Go to last post

  12. [Solved] API calls to stopforumspam database timeout, they was blocked on my firewall

    Started by Fli, 12-30-2017 10:41 AM
    • Replies: 0
    • Views: 4,797
    Fli
    12-30-2017, 10:41 AM Go to last post

  13. Where to report IP / databases of bad IPs

    Started by Fli, 10-19-2017 12:18 PM
    abuse, blocklist
    • Replies: 0
    • Views: 4,715
    Fli
    10-19-2017, 12:18 PM Go to last post

  14. Tutorial on how to install and use ipset

    Started by Fli, 09-29-2017 10:37 AM
    ipset
    • Replies: 0
    • Views: 5,090
    Fli
    09-29-2017, 10:37 AM Go to last post

  15. [Solved] Mod_Security rules to block xmlrpc.php

    Started by Fli, 09-26-2017 01:21 PM
    • Replies: 0
    • Views: 5,759
    Fli
    09-26-2017, 01:21 PM Go to last post

  16. Watch Linux /tmp folders to delete bad perl,python scripts

    Started by Fli, 09-25-2017 10:49 PM
    • Replies: 0
    • Views: 4,558
    Fli
    09-25-2017, 10:49 PM Go to last post

  17. OpenVPN stuck at "VERIFY OK: depth=0, CN=server", how to fix

    Started by Fli, 08-28-2017 11:56 PM
    • Replies: 0
    • Views: 16,464
    Fli
    08-28-2017, 11:56 PM Go to last post

  18. How are you preventing SSH bruteforce on Linux?

    Started by Fli, 06-29-2017 12:25 PM
    • Replies: 0
    • Views: 4,512
    Fli
    06-29-2017, 12:25 PM Go to last post

  19. How to install & configure denyhosts on CentOS

    Started by Fli, 05-18-2017 09:11 AM
    • Replies: 0
    • Views: 4,307
    Fli
    05-18-2017, 09:11 AM Go to last post

  20. How not to lock myself out of Linux server with wrong iptables rule?

    Started by Fli, 05-02-2017 10:18 AM
    • Replies: 0
    • Views: 5,804
    Fli
    05-02-2017, 10:18 AM Go to last post
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