Sets the IP protocol for the ACL.
             
 Declaration Syntax
 Declaration Syntax| C# | 
[ObsoleteAttribute("The With methods are obsolete and will be removed in version 2 of the AWS SDK for .NET. See http://aws.amazon.com/sdkfornet/#version2 for more information.")] public NetworkAclEntry WithProtocol( string protocol )
 Parameters
 Parameters- protocol (String)
- IP protocol. For a list of protocol numbers and names, go to Protocol Numbers. Valid Values: tcp | udp | icmp or an IP protocol number.
 Return Value
 Return Valuethis instance