Tag Archives: Internet

HOWTO Fix obhttpd[1234]: parent: send server: Protocol not supported on FreeBSD

I was putting OpenBSD Httpd (obhttpd as it is known on FreeBSD) in a jail on FreeBSD 13.0. When I fired up the webserver I got the following error in the logs: obhttpd[1234]: parent: send server: Protocol not supported The … Continue reading

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Broken IPv6 on FreeBSD or mtr: Unexpected mtr-packet error with IPv6 on FreeBSD 13, or Other BSD Systems

This error could be caused by a number of things, but in my case it was a simple error in my ipfw rules. My FreeBSD 13 box would work perfectly for IPv4, but fail with this error for IPv6. IPv6 … Continue reading

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Custom Routing for FreeBSD Jails – or How To Set a Unique Default Route or Default Gateway for Each Jail

I was recently configuring a FreeBSD 13.0 box to run unbound (caching DNS Resolver) in two separate jails. The machine was connected to two WANs through two interfaces. The goal was to have one unbound jail route queries to WAN … Continue reading

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Fix Let’s Encrypt 403 Errors in OpenBSD 6.7 with acme-client

This still applies to OpenBSD 6.9 and 6.8 as well, likely other versions too! This is not another tutorial on how to use acme-client or how to setup SSL/TLS with httpd in OpenBSD. There are a number of good ones … Continue reading

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