dhcpd-2.2.x: send_packet: Connection refused
dhcpd-2.2.x: fallback_discard: Connection refused
kernel: Packet log: input DENY eth[[:digit:]]+ PROTO=17 .*:137 .*:137 L=78 S=0x00 I=[[:digit:]]+ F=0x0000 T=[[:digit:]]+ \(#[[:digit:]]+\)
postfix/local\[.*\]: warning: unable to create lock file /var/mail/[[:alnum:]]+\.lock: Permission denied
postfix/smtp\[.*\]: .*: to=<.*>, relay=none, delay=[[:digit:]]+, status=deferred \(connect to .*\[.*\]: (Connection refused|server refused mail service)\)
postfix/smtp\[.*\]: .*: to=<.*>, relay=.*\[.*\], delay=[[:digit:]]+, status=deferred \(host .*\[.*\] said: 450 <.*>: Sender address rejected: Domain not found\)
postfix/smtp\[.*\]: connect to .*\[.*\]: (Connection refused|server refused mail service) \(port 25\)
postfix/smtpd\[.*\]: reject: RCPT from .*\[.*\]: 554 Service unavailable; .* blocked using .*; from=<.*> to=<.*>
postfix/smtpd\[.*\]: reject: RCPT from .*\[.*\]: 554 <.*>: Recipient address rejected: Relay access denied; from=<.*> to=<.*>
postfix/smtpd\[.*\]: warning: .*: hostname .* verification failed: Host (name has no address|not found)
proftpd\[.*\]: .* \(.*\) - USER anonymous \(Login failed\): Can't find user\.
smbd\[.*\]:   read_socket_data: recv failure for 4\. Error = Connection reset by peer