I can help you with block TCP ports qualitatively, because I'm certified network engineer having over 10 years of enterprise experience in configuring & troubleshooting of network devices, firewalls.
Relevant Skills and Experience
switching and routing (OSPF, EIGRP, BGP)
security and firewalls (Cisco ASA, D-link DFL)
Linux/FreeBSD,
I've finished courses:
MTCTCE/MTCNA,
Cisco TSHOOT v.2.0, SWITCH v2.0
CCNAX.
Stay tuned, I'm still working on this proposal.