Let’s assume you have a redundant cluster of PostgreSQL servers, eg built with repmgr, and you want your Django application to benefit from this redundancy. As of Django 3.1, this is not really documented, but some easy steps gets you there, if you are using recent versions of PostgreSQL, psycopg2, Django and Python. First of […]
Symptom : Prime 3.7 won’t start. Reason : /var is full, as /var/log/wtmp fills up quickly : sudo -i ls -l /var/log/wtmp ade # utmpdump /var/log/wtmp | more [5] [06834] [tyS0] [ ] [ttyS0] [ ] [0.0.0.0] [Tue Feb 04 21:30:45 2020 CET] [5] [06835] [tyS1] [ ] [ttyS1] [ ] [0.0.0.0] [Tue Feb 04 […]
Are you spoiled by Perl’s auto-vivification allowing to write such code and you want to do the same in Python ? An often used, somewhat ugly code pattern where you need to add a key in a dict when it’s not there yet: There is a better way since Python 3.3 (even if Perl’s type […]
The phasing out of legacy encryption protocols like TLS 1.0 or the family of CBC encryption ciphers is a recurring necessity. This has been going on for many years. And it will only be a few years until TLS 1.2 should be retired in favor of its successor TLS 1.3. When disabling one of the […]
This is a blog post about a new script, that will execute a request in order trigger an arbitrary Core Rule Set anomaly score. The OWASP ModSecurity Core Rule Set (short CRS) is a scoring rule set with individual rules working together to assess an incoming request and assigning it an anomaly score. An administrator […]
