#ucarp β Public Fediverse posts
Live and recent posts from across the Fediverse tagged #ucarp, aggregated by home.social.
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New πππππΌπΊ ππΏπ²π²ππ¦π π¨πππ₯π£ π¦π²πππ½ [Custom FreeBSD UCARP Setup] article on vermaden.wordpress.com blog.
https://vermaden.wordpress.com/2026/08/15/custom-freebsd-ucarp-setup/
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New πππππΌπΊ ππΏπ²π²ππ¦π π¨πππ₯π£ π¦π²πππ½ [Custom FreeBSD UCARP Setup] article on vermaden.wordpress.com blog.
https://vermaden.wordpress.com/2026/08/15/custom-freebsd-ucarp-setup/
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Searching the internet for #CARP, many sites recommend using a password length of 30 characters. #FreeBSD silently truncates it to 19. The Debian manpage of #ucarp claims to support 20 characters, but refuses to run given more than 19.
So why exactly 19 characters? 20 is the size of SHA-1 hashes and a comment in ip_carp.h suggests that CARP is supposed to use such a hash derived from a password. However, actual implementations treat it as a null-terminated string.
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Searching the internet for #CARP, many sites recommend using a password length of 30 characters. #FreeBSD silently truncates it to 19. The Debian manpage of #ucarp claims to support 20 characters, but refuses to run given more than 19.
So why exactly 19 characters? 20 is the size of SHA-1 hashes and a comment in ip_carp.h suggests that CARP is supposed to use such a hash derived from a password. However, actual implementations treat it as a null-terminated string.