Well. That depends on what the application does. An application which makes no assumptions about the size of an address and does not inspect or process addresses in any way should not care whether it is dealing with IPv6. Things like the RemoteAddrValve should be checked carefully before depending on them to be unaffected.
(RemoteAddrValve itself shouldn't be a problem, but your patterns might be, and so might the JVM's treatment of v4 vs. v6 addresses.) There are also URI manipulation subtleties. I expect that *most* applications won't care -- the spec. writers seem to have done a thorough job. But I wouldn't be surprised to find that there are applications which will need some fixing for v6. Have a look at this for starters: http://java.sun.com/javase/6/docs/technotes/guides/net/ipv6_guide/index.html -- Mark H. Wood, Lead System Programmer [EMAIL PROTECTED] Typically when a software vendor says that a product is "intuitive" he means the exact opposite.
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