Reference documentation and code samples for the Compute Engine v1 API enum ForwardingRule.Types.IPProtocolEnum.
The IP protocol to which this rule applies. For protocol forwarding, valid options are TCP, UDP, ESP, AH, SCTP, ICMP and L3_DEFAULT. The valid IP protocols are different for different load balancing products as described in Load balancing features.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-08 UTC."],[[["\u003cp\u003eThis page provides reference documentation for the \u003ccode\u003eForwardingRule.Types.IPProtocolEnum\u003c/code\u003e within the Google Compute Engine v1 API.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eIPProtocolEnum\u003c/code\u003e specifies the IP protocol applicable to a forwarding rule, with options such as TCP, UDP, ESP, AH, SCTP, ICMP, and L3_DEFAULT.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version available is 3.6.0, and the full list includes versions spanning from 1.0.0 to 3.6.0 for the \u003ccode\u003eForwardingRule.Types.IPProtocolEnum\u003c/code\u003e..\u003c/p\u003e\n"],["\u003cp\u003eThe different values for the enum are listed in a table, including \u003ccode\u003eAh\u003c/code\u003e, \u003ccode\u003eEsp\u003c/code\u003e, \u003ccode\u003eIcmp\u003c/code\u003e, \u003ccode\u003eL3Default\u003c/code\u003e, \u003ccode\u003eSctp\u003c/code\u003e, \u003ccode\u003eTcp\u003c/code\u003e, \u003ccode\u003eUdp\u003c/code\u003e, and \u003ccode\u003eUndefinedIPProtocolEnum\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,[]]