[SOLVED] Shorewall fails to start. ERROR:Shorewall start failed:Firewall state not changed.
After a reboot I like to run couple of commands just to find out if everything is fine. One of those commands is: journalctl -b…
Category: Security
[SOLVED] OpenVPN: Add clients without rebuilding all keys?
I’ve followed this video: and after a lot of reading and brain-storming / testing with a friend got myself a working openvpn setup. Here is…
[SOLVED] ClamSMTP fails to scan files with: couldn’t open cache file: No such file or directory
Another one of my mishaps… 😉 su mkdir /var/spool/clamsmtp chown clamav:clamav /var/spool/clamsmtp systemctl restart clamsmtp Result? 🙂 Dec 18 22:30:50 andrzejl.eu clamsmtpd[262]: 100015: from=xxx@yyy.zzz, to=yyy@zzz.xxx,…
[SOLVED] My clamav / clamd stopped working and it says that clamd.service has timed out.
Yup… It happened to me. I have no idea why but what I had to do is edit this file as root: /etc/systemd/system/multi-user.target.wants/clamd.service and replace…
[.CONF] Fail2ban and Shorewall configs that work well with sshd and keep You updated via e-mail.
Fri, 13th Feb 2015 EDIT: Now fail2ban also works with dovecot and postfix… 😉 I assume You’re using Shorewall + Fail2ban to tighten your sshd…
Secure access to the website’s resources with .htaccess and .htpasswd files.
This is a very loose translation of this article by SloniuPL. Its actually an improvement as You don’t have to rely on a 3rd party…
System logs indicates that one of my local machines keeps poking my other machine on port 21817/udp. WTF?!
Hi folks. Noticed weird entries in journalctl: Jan 14 00:38:25 wishmasus.loc kernel: Shorewall:net2fw:DROP:IN=docketh1 OUT= MAC=00:xx:yy:xz:Zs:Ss SRC=OtherLocalMachine DST=MyMachine LEN=151 TOS=0x00 PREC=0x00 TTL=64 ID=24209 DF PROTO=UDP SPT=21817…
Qualys SSL Labs Test results for AndrzejL.no-ip.org and Firefox TLSv1.2 fix.
Hi there. I have been motivated by a new colleague to enable Forward Secrecy for WoTW WWW server. I did it. I have also tested…
Configuring shorewall for LAN ipv4 connection.
Hi folks. What is shorewall? Well this is not a Wikipedia so I won’t go into the details. Suffice to say it’s a firewall. I…