How to secure my network if UDP port is required to be allowed from outside

5 pts.
Tags:
Network security
Networking
UDP
Hi Team,
We have a business requirement in which we need to open up Video session for our customers to contact our Customer Service Agents. Product requires UDP ports to be opened on Firewall. Kindly advise how can we secure this setup.
1

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If it’s essential to keep UDP ports open on your firewall, you can increase the level of security by taking the following steps :-

1) Tailor the rule on the firewall’s ACL, so that the incoming connections are limited to specific IP addresses belonging to the Customer Service systems.
2) Enable Denial Of Service protection (DoS) for UDP floods — keeping the threshold to the default setting. (You’ll have to see if the firewall supports it.)

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  • Subhendu Sen
    It is almost difficult to break into a computer using UDP port. while it is a connectionless protocol. UDP scanning does not work like TCP scanning. this type of port scanning works by sending a packet and looking for an ICMP. As you mentioned the purpose, for this particular purpose only, you can use message authentication code by helping of Diffie Hellman key exchange concept. If you want to more protection, you can go for datagram transport layer security/ DTLS.
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