Posts tagged "security"

• Debian Curl/PHP/wget etc show a certificate error falsely

  2021/10/19 — alex — openssl tls linux security

  Problem: curl php wget and others show a cert error like the following since 6. Oct 2021, even though the cert has not expired: curl: (60) SSL certificate problem: certificate has expired More details here: https://curl.haxx.se/docs/sslcerts.html curl performs SSL certificate verification by default, using a "bundle...

• F5 iRule Class Match Crash

  2018/12/03 — alex — irule f5 security

  Problem: F5 iRules with "class match" crash sometimes with this message: /Common/UA_DETECT - ambiguous option "-": must be -all, -index, -element, -name, or -value while executing "class match [string tolower [HTTP::header User-Agent]] contains UA_STRINGS" Discussion: the class match command has optional parameters,...

• Ubiquiti UniFi the Next Botnet ?

  2017/04/07 — alex — access-point tomcat uap-ac-lite ubiquiti unifi internet routing-2 security

  I tested a Ubiquiti access point today. UAP-AC-Lite seems to be a very good and cheap access-point. When you take it out of the box and connect it to the network it gets an IP address using DHCP and waits for a configuration. In this mode it sends broadcasts to find a controller and listens on port 22 (ssh) with sta...