firewall
7 posts.
Managing your dialer's firewall from the portal
The VICIfast firewall portal lets you control which IPs can reach your dialer's SIP and web ports from a branded page in the dashboard.
Read postOpening the RTP port range on a cloud firewall
Cloud firewalls block inbound UDP by default, and a closed RTP port range is the most common reason VICIdial calls connect but carry no audio.
Read postManaging the firewall on a cloud dialer
A VICIdial cloud server's firewall needs ongoing attention — carrier IP changes, agent network shifts, and OS upgrades can all silently break SIP or RTP.
Read postHow to run VICIdial on OVH
OVH gives you bare-metal-class dedicated servers and affordable VPS options for VICIdial, but the network and firewall defaults need careful tuning before your first call lands cleanly.
Read postCloud security groups for a VICIdial server
Cloud security groups default to blocking everything — this guide lists every port VICIdial and Asterisk need open and explains why each one matters.
Read postInstalling VICIdial on a VPS
A VPS is a fine home for VICIdial if you get three things right: a real public IP, an open RTP range, and NAT handled. Here's how each one bites.
Read postWhich ports to open for VICIdial
A plain-English firewall guide for VICIdial: the SIP and IAX signaling ports, the RTP media range, the web admin and agent ports, and why you almost never expose MySQL.
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