Mudar paginas padrão do SQUID!

Tenho o SQUID configurado e rodando.
Gostaria de saber apenas onde ficam os arquivos HTML das mensagens de bloqueio, para poder mudar e fazer a pagina do meu jeito.

pelo menos no conectiva as paginas estão ai:

/etc/squid/errors/ERR_ACCESS_DENIED
/etc/squid/errors/ERR_CACHE_ACCESS_DENIED
/etc/squid/errors/ERR_CACHE_MGR_ACCESS_DENIED
/etc/squid/errors/ERR_CANNOT_FORWARD
/etc/squid/errors/ERR_CONNECT_FAIL
/etc/squid/errors/ERR_DNS_FAIL
/etc/squid/errors/ERR_FORWARDING_DENIED
/etc/squid/errors/ERR_FTP_DISABLED
/etc/squid/errors/ERR_FTP_FAILURE
/etc/squid/errors/ERR_FTP_FORBIDDEN
/etc/squid/errors/ERR_FTP_NOT_FOUND
/etc/squid/errors/ERR_FTP_PUT_CREATED
/etc/squid/errors/ERR_FTP_PUT_ERROR
/etc/squid/errors/ERR_FTP_PUT_MODIFIED
/etc/squid/errors/ERR_FTP_UNAVAILABLE
/etc/squid/errors/ERR_INVALID_REQ
/etc/squid/errors/ERR_INVALID_URL
/etc/squid/errors/ERR_LIFETIME_EXP
/etc/squid/errors/ERR_NO_RELAY
/etc/squid/errors/ERR_ONLY_IF_CACHED_MISS
/etc/squid/errors/ERR_READ_ERROR
/etc/squid/errors/ERR_READ_TIMEOUT
/etc/squid/errors/ERR_SHUTTING_DOWN
/etc/squid/errors/ERR_SOCKET_FAILURE
/etc/squid/errors/ERR_TOO_BIG
/etc/squid/errors/ERR_UNSUP_REQ
/etc/squid/errors/ERR_URN_RESOLVE
/etc/squid/errors/ERR_WRITE_ERROR
/etc/squid/errors/ERR_ZERO_SIZE_OBJECT

cada uma com seu respectivo nome e erro correspondente.

blz?