Category Archives: Uncategorized
Apple Watch and IPSEC/ESP
Something I noticed when my Apple Watch was associated to the wrong SSID (and was placed on a vLAN different to that of its paired iPhone) was the repeated attempts it was making to set up an IPSEC connection to … Continue reading
avahi-daemon and incrementing Apple device names
For a long time on my network I noticed my various Apple devices incrementing their hostname (specifically the name advertised with mDNS/mdns-sd – as appears in the ‘Sharing’ section of ‘System Preferences’). I lazily put this down to a poorly … Continue reading
AppleTV 4K Airplay across subnets
After a protracted battle with mDNS across broadcast domains (which I have yet to satisfactorily solve) I was at a point where I could see my AppleTV on my iPhone as an AirPlay target. However when selecting the AppleTV in … Continue reading
Using OpenSSL keys in SSH
If you’ve created OpenSSL certificates with private/public key pairs and want to add the public key to SSH’s authorized_keys file for authentication, do the following: # /tmp/ssl-to-ssh/a.out tmp.key user@host.com # chmod 600 CA/certs/First\ Last/First_Last-key.pem # openssl rsa -aes256 -in CA/certs/First\ Last/First_Last-key.pem -out … Continue reading