Hi, On Thu, Apr 30, 2020 at 11:15 AM Mark Thomas <ma...@apache.org> wrote:
> On 29/04/2020 18:11, Christopher Schultz wrote: > > Mark, > > > > On 4/28/20 13:33, Mark Thomas wrote: > >> On 28/04/2020 16:30, Satya Kishore Thumu wrote: > >>> Hi Chris, Post the Ghostcat changes tomcat now listens only on > >>> ipv4 by default, what if somebody is using on IPv6, Tomcat starts > >>> to listen on mapped IPv4 address which I think is not > >> correct. > >>> I know that we can use ::1 in IPv6. Is there a way tomcat can > >>> listen on both loopback addresses when > >> available. > > > >> Not that I am aware of with the Java API. > > > > I think we had discussed the possibility of looking for a "magic" > > value in the address="..." field to go back to the previous behavior. > > The problem is that any reasonable string you can choose can also be a > > valid hostname that should, arguably, be used to resolve the IP > > address of the interface (e.g. "localhost"). > > There is the empty string. We could use that as equivalent to the > wildcard address (listen on all interfaces). > The suggestion we discussed few weeks back was to have a special value for "address" that would mean "localhost both IPv4 & IPv6", e.g. "tomcat:localhost". If this special value is used then Tomcat can create two Connector instances, one for 127.0.0.1 and another for ::1, and use the rest of the Connector settings for both of them. > > There is no option I am aware of (before or after the AJP changes) that > would allow listening on just 127.0.0.1 and ::1 > > > I think the only practical way to do this would be to add another > > attribute like bindOnAllInterfaces="true" where we ignore the > > "address" attribute. Or maybe "address" always wins, but > > bindOnAllInterfaces="false" is the default. > > I'm not a fan of another attribute unless we really have to. > > > Because it is possible to bind to all interfaces, right? Just don't > > specify a specific interface when creating the server socket? > > Yes. > > Mark > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > >
