Comment by elliottcarlson
12 years ago
echo -e "quit\n" | openssl s_client -connect <HOSTNAME>:443 -tlsextdebug 2>&1| [ "` grep -c 'TLS server extension \"heartbeat\" (id=15), len=1'`" -gt 0 ] && echo 'Vulnerable'
12 years ago
echo -e "quit\n" | openssl s_client -connect <HOSTNAME>:443 -tlsextdebug 2>&1| [ "` grep -c 'TLS server extension \"heartbeat\" (id=15), len=1'`" -gt 0 ] && echo 'Vulnerable'
That can false-positive, for what it's worth, in servers with fixed TLS heartbeats (instead of removing them).