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Committer: fruworg <im@fruw.org> On branch main Your branch is up to date with 'origin/main'. Changes to be committed: new file: .gitmodules new file: archetypes/default.md new file: config.toml new file: content/posts/ald-pro.md new file: content/posts/astra-fly.md new file: content/posts/astra-freeipa.md new file: content/posts/bareos-install.md new file: content/posts/cifs-automount.md new file: content/posts/create-user-keytab.md new file: content/posts/create-user-keytab.md.save new file: content/posts/dhcp-resolv.md new file: content/posts/github-ssh-auth.md new file: content/posts/ip-command.md new file: content/posts/linux-krb5.md new file: content/posts/linux-network.md new file: content/posts/linux-nfs.md.save new file: content/posts/linux-packages-rebuild.md new file: content/posts/lvm-base-commands.md new file: content/posts/pfx-to-pem.md new file: content/posts/pg-probackup-setup.md.save new file: content/posts/pg-probackup-setup.md.save.1 new file: content/posts/postgres-drop-db.md new file: content/posts/postgres-krb5.md new file: content/posts/postgres-ldaps.md new file: content/posts/postgres-pro-astra-se.md new file: content/posts/postgres-replication.md new file: content/posts/postgres-simple-backup.md new file: content/posts/postgres-tls.md new file: content/posts/reverse-shell-nc.md new file: content/posts/run-nologin.md new file: content/posts/security-solutions.md new file: content/posts/selfsigned-to-trusted.md new file: content/posts/ssh-2fa-totp.md new file: content/posts/ssh-auth-by-key.md new file: content/posts/ssh-fail2ban.md new file: content/posts/vmware-clipboard.md new file: content/posts/vmware-restart-date.md new file: content/posts/windows-disable-shutdown.md new file: static/0x952C15AB751A65F6 new file: static/favicon.ico new file: static/fruworg.png new file: themes/archie Changes not staged for commit: modified: themes/archie (modified content)
2023-07-26 20:55:24 +05:00
---
title: fail2ban для SSH
description: Защита от брута пароля к SSH
date: 2022-11-29T13:41:00+05:00
tags: [linux, ssh]
---
## Установка пакета fail2ban
Revert "remove shell" This reverts commit 65914f8895a7183915bb9484a725085cd24038f1.
2023-09-24 18:58:33 +03:00
```shell
Committer: fruworg <im@fruw.org> On branch main Your branch is up to date with 'origin/main'. Changes to be committed: new file: .gitmodules new file: archetypes/default.md new file: config.toml new file: content/posts/ald-pro.md new file: content/posts/astra-fly.md new file: content/posts/astra-freeipa.md new file: content/posts/bareos-install.md new file: content/posts/cifs-automount.md new file: content/posts/create-user-keytab.md new file: content/posts/create-user-keytab.md.save new file: content/posts/dhcp-resolv.md new file: content/posts/github-ssh-auth.md new file: content/posts/ip-command.md new file: content/posts/linux-krb5.md new file: content/posts/linux-network.md new file: content/posts/linux-nfs.md.save new file: content/posts/linux-packages-rebuild.md new file: content/posts/lvm-base-commands.md new file: content/posts/pfx-to-pem.md new file: content/posts/pg-probackup-setup.md.save new file: content/posts/pg-probackup-setup.md.save.1 new file: content/posts/postgres-drop-db.md new file: content/posts/postgres-krb5.md new file: content/posts/postgres-ldaps.md new file: content/posts/postgres-pro-astra-se.md new file: content/posts/postgres-replication.md new file: content/posts/postgres-simple-backup.md new file: content/posts/postgres-tls.md new file: content/posts/reverse-shell-nc.md new file: content/posts/run-nologin.md new file: content/posts/security-solutions.md new file: content/posts/selfsigned-to-trusted.md new file: content/posts/ssh-2fa-totp.md new file: content/posts/ssh-auth-by-key.md new file: content/posts/ssh-fail2ban.md new file: content/posts/vmware-clipboard.md new file: content/posts/vmware-restart-date.md new file: content/posts/windows-disable-shutdown.md new file: static/0x952C15AB751A65F6 new file: static/favicon.ico new file: static/fruworg.png new file: themes/archie Changes not staged for commit: modified: themes/archie (modified content)
2023-07-26 20:55:24 +05:00
apt -y install fail2ban
```
## Правило для ssh
little fixes
2023-12-26 04:34:28 +06:00
В файл `/etc/fail2ban/jail.d/sshd.conf` необходимо добавить следующее:
temporary fix for config code blocks
2024-11-03 13:11:52 +01:00
```python
Committer: fruworg <im@fruw.org> On branch main Your branch is up to date with 'origin/main'. Changes to be committed: new file: .gitmodules new file: archetypes/default.md new file: config.toml new file: content/posts/ald-pro.md new file: content/posts/astra-fly.md new file: content/posts/astra-freeipa.md new file: content/posts/bareos-install.md new file: content/posts/cifs-automount.md new file: content/posts/create-user-keytab.md new file: content/posts/create-user-keytab.md.save new file: content/posts/dhcp-resolv.md new file: content/posts/github-ssh-auth.md new file: content/posts/ip-command.md new file: content/posts/linux-krb5.md new file: content/posts/linux-network.md new file: content/posts/linux-nfs.md.save new file: content/posts/linux-packages-rebuild.md new file: content/posts/lvm-base-commands.md new file: content/posts/pfx-to-pem.md new file: content/posts/pg-probackup-setup.md.save new file: content/posts/pg-probackup-setup.md.save.1 new file: content/posts/postgres-drop-db.md new file: content/posts/postgres-krb5.md new file: content/posts/postgres-ldaps.md new file: content/posts/postgres-pro-astra-se.md new file: content/posts/postgres-replication.md new file: content/posts/postgres-simple-backup.md new file: content/posts/postgres-tls.md new file: content/posts/reverse-shell-nc.md new file: content/posts/run-nologin.md new file: content/posts/security-solutions.md new file: content/posts/selfsigned-to-trusted.md new file: content/posts/ssh-2fa-totp.md new file: content/posts/ssh-auth-by-key.md new file: content/posts/ssh-fail2ban.md new file: content/posts/vmware-clipboard.md new file: content/posts/vmware-restart-date.md new file: content/posts/windows-disable-shutdown.md new file: static/0x952C15AB751A65F6 new file: static/favicon.ico new file: static/fruworg.png new file: themes/archie Changes not staged for commit: modified: themes/archie (modified content)
2023-07-26 20:55:24 +05:00
[sshd]
enabled = true
port = <ssh-port>
filter = sshd
logpath = /var/log/auth.log
maxretry = 3
findtime = 300
bantime = 3600
```
## Перезапуск сервиса fail2ban
Revert "remove shell" This reverts commit 65914f8895a7183915bb9484a725085cd24038f1.
2023-09-24 18:58:33 +03:00
```shell
Committer: fruworg <im@fruw.org> On branch main Your branch is up to date with 'origin/main'. Changes to be committed: new file: .gitmodules new file: archetypes/default.md new file: config.toml new file: content/posts/ald-pro.md new file: content/posts/astra-fly.md new file: content/posts/astra-freeipa.md new file: content/posts/bareos-install.md new file: content/posts/cifs-automount.md new file: content/posts/create-user-keytab.md new file: content/posts/create-user-keytab.md.save new file: content/posts/dhcp-resolv.md new file: content/posts/github-ssh-auth.md new file: content/posts/ip-command.md new file: content/posts/linux-krb5.md new file: content/posts/linux-network.md new file: content/posts/linux-nfs.md.save new file: content/posts/linux-packages-rebuild.md new file: content/posts/lvm-base-commands.md new file: content/posts/pfx-to-pem.md new file: content/posts/pg-probackup-setup.md.save new file: content/posts/pg-probackup-setup.md.save.1 new file: content/posts/postgres-drop-db.md new file: content/posts/postgres-krb5.md new file: content/posts/postgres-ldaps.md new file: content/posts/postgres-pro-astra-se.md new file: content/posts/postgres-replication.md new file: content/posts/postgres-simple-backup.md new file: content/posts/postgres-tls.md new file: content/posts/reverse-shell-nc.md new file: content/posts/run-nologin.md new file: content/posts/security-solutions.md new file: content/posts/selfsigned-to-trusted.md new file: content/posts/ssh-2fa-totp.md new file: content/posts/ssh-auth-by-key.md new file: content/posts/ssh-fail2ban.md new file: content/posts/vmware-clipboard.md new file: content/posts/vmware-restart-date.md new file: content/posts/windows-disable-shutdown.md new file: static/0x952C15AB751A65F6 new file: static/favicon.ico new file: static/fruworg.png new file: themes/archie Changes not staged for commit: modified: themes/archie (modified content)
2023-07-26 20:55:24 +05:00
systemctl restart fail2ban
```
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