BGP.guru

BGP.guru

A Nerd blog.

27 Jan 2013

Building an OpenBSD BGP Looking Glass

Setting up bgplg, OpenBSD's built-in shell and CGI BGP looking glass. Includes handling ping/traceroute in chrooted environments and considerations for nginx migration.
15 Jan 2013

Observium, A Worthy Adversary!

First impressions of Observium network monitoring platform after 10 years with Cacti. Auto-discovery, 64-bit counters, total device traffic graphs, and MAC/ARP tables make it a compelling alternative.
13 Jan 2013

SSL CLI Troubleshooting

Using openssl s_client to test SSL/TLS connections and verify certificate chains for encrypted email services like POP3, IMAP, and SMTP from the command line.
11 Jan 2013

An MX Record, Finally!

Setting up self-hosted email with iRedMail on FreeBSD. A polished mail server solution with ClamAV, policyd, and DKIM support that integrates well with system packaging.
07 Jan 2013

IPAM: IP Address Management

Setting up subnetsmngr, an open source IPAM solution for small ISPs.