How-To-Secure-A-Linux-Server
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imthenachoman
An evolving how-to guide for securing a Linux server.
First of all: great guide, I've always been looking for something like that! In the firewall section, there are some rules mentioned, among others the http rules. I ran into...
USEREMAIL mispelled as USRMAIL MAILPROV uses smtp.google.com instead of smtp.gmail.com and I'm not sure if the port is supposed to be here either USERLOC is unused `cat
Hello, I am willing to contribute a paragraph on `dnf-automatic`, which is the `dnf` counterparts to `unattended-upgrades` and `yast-online-update-configuration` for `zypper/yast`. Can I propose such paragraph (and could you assign...
Two separate questions. 1) Is the NTP setup necessary for Ubuntu versions above 16.04? Or is this no longer needed due to the fact that these versions of Ubuntu come...
I followed the instructions step by step and it did not work for me at the beginning. My solution how it works for me: In the file /etc/ssh/sshd_config I had...
[CrowdSec](https://crowdsec.net/) can be seen upon as a modern version on Fail2Ban only that it varies in a number of ways; most notably it leverages crowdsourced threat intelligence. This means that...
Not sure if I'm allowed to link to Reddit on here but [this](https://np.reddit.com/r/linuxquestions/comments/npvaw9/rkhunter_warnings_doubt/h0cgj5y/) is the comment in a thread I started. It gave me warnings for egrep, fgrep and which...
It's not as configurable, but it might be worth mentioning? It's a one-command install on Debian systems: ```bash sudo apt install sshguard ```
Hi, First of all thanks for this guide! I was really needed something like this. I'm having issues with the aide setup, I think that aide.wrapper is no longer provided....
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An evolving how-to guide for securing a Linux server.