Fred Posner (blog)

Git Repo with Custom SSH Key

Posted . ~1min read. | Tagged: git

There is a very simple way to use a custom ssh key with a specific git repo.

Opening Compressed PCAPs with SNGREP

Posted . ~1min read. | Tagged: SIP sngrep

Sometimes you get a compressed pcap and sngrep has difficultly opening the file. No problem. Here is a one-liner to help.

ITEXPO 2022

Posted . ~1min read. | Tagged: Astricon Asterisk ITEXPO

ITEXPO 2022 is done. Very brief summary of the event.

Thoughts on the Astricon 2023/ITEXPO announcemnent

Posted . ~4min read. | Tagged: Astricon Asterisk ITEXPO

Sangoma announces that Astricon 2023 will be co-located with ITEXPO in FTL in Feb 2023. My thoughts.

For My Security

Posted . ~2min read. | Tagged: American Express Security

American Express wants your name, date of birth, and social security number... for your security

APT fails: NO_PUBKEY

Posted . ~1min read. | Tagged: Linux

Sometimes a public key failure ruins an apt update. Most times, it can be resolved quickly.

Kamailio Install Module Git

Posted . ~1min read. | Tagged: Kamailio SIP

Quick tip: Installing a single Kamailio module from git is a straight forward process.

Thanksgiving Message 2021

Posted . ~2min read. | Tagged: Thanksgiving

Every year (more or less) I write a Thanksgiving message as Thanksgiving is my favorite Holiday of the year. Lets talk Thanksgiving 2021.

Freeswitch 1.10.7 Released

Posted . ~1min read. | Tagged: FreeSWITCH SIP Security ClueCon

The major announcement at ClueCon 2021 was the release of FreeSWITCH 1.10.7.

APIBAN Now Has IPset

Posted . ~2min read. | Tagged: Kamailio SIP Security APIBAN

APIBAN helps prevent unwanted SIP traffic by identifying addresses of known bad actors before they attack your system. IPsets (lists of IPs) can be used by many firewalls, iptables, and appliances (such as pfsense, opnsense, etc.) to block unwanted traffic to your network.

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