Collaborate Disseminate
I currently have a setup with OSSEC and AIDE running on our servers.
We are currently receiving a daily alert for each agent when AIDE runs and changes audit.log.
I want to make an exception for that, but I still want to … Continue reading How do I create exceptions on Wazuh (OSSEC)?
So I run this
socat -,echo=0,raw tcp4-listen:1337
But I never get the response from server
I have centos 7, firewalld, and nginx
Should I enable anything or configure anything to be able get the reverse listener working p… Continue reading reverse listener not working in centos [on hold]
I would like to configure an email CentOS 7-based server to use TLS 1.3. Currently it uses TLS 1.2 for securing the SMTP and POP3 sessions. For SMTP I use Postfix software and for POP3 I use Dovecot software. I am interested … Continue reading Is TLS 1.3 supported in Dovecot 2.3.4 and Postfix 3.3.2?
I would like to configure an email CentOS 7-based server to use TLS 1.3. Currently it uses TLS 1.2 for securing the SMTP and POP3 sessions. For SMTP I use Postfix software and for POP3 I use Dovecot software. I am interested … Continue reading Is TLS 1.3 supported in Dovecot 2.3.4 and Postfix 3.3.2?
I just installed SELinux. I read a lot of tutorials but I am not very comfortable with SELinux.
On CentOS help page , I can see that some files in
/selinux/ are writable by other user : https://www.centos.org/docs/5/html/De… Continue reading Is it dangerous to keep permissions at 666 to member file on SELinux?
An interesting post from Gerry Williams at gerrywilliams.net Description: Saw a post on r/sysadmin the other day with a walkthrough on using Docker for the first time. Thought I would take some notes: To Resolve: […] Continue reading Using Docker To Install OpenVAS On CentOS
My PHP logs have been flooding with seemingly random attempts to access scripts and software which isn’t installed on my server. At first, All the attempts came from a single IP, I was using CloudFlare, so I was able to block… Continue reading CentOS payload injection attempts?
The issue impacts many large distros with GUI interfaces. Continue reading X.Org Flaw Allows Privilege Escalation in Linux Systems
The issue impacts many large distros with GUI interfaces. Continue reading X.Org Flaw Allows Privilege Escalation in Linux Systems
An Indian security researcher has discovered a highly critical flaw in X.Org Server package that impacts OpenBSD and most Linux distributions, including Debian, Ubuntu, CentOS, Red Hat, and Fedora.
Xorg X server is a popular open-source implementation… Continue reading New Privilege Escalation Flaw Affects Most Linux Distributions