Generate a quick-glance fail2ban report from the command line. The script queries every active jail, prints a summary table of current and total bans,...
Configure fail2ban for Asterisk on Debian 12+ systems using journald without rsyslog. Covers the backend switch from file monitoring to systemd journa...
Send incoming call notifications to a Slack channel via webhook, with FILTER() to prevent shell injection from caller ID data.
Generate self-signed TLS certificates for Asterisk using the ast_tls_cert script -- create a private CA, server certificates, and client certificates ...
Restrict SIP access to trusted IP ranges using PJSIP access control lists.
Configure fail2ban jails and filters to block SIP brute-force and scanning attacks against Asterisk