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Bug #1352
closed
TcpChannel listening on IPv6 endpoint should not accept IPv4 address
Start date:
03/13/2014
Due date:
% Done:
100%
Estimated time:
1.00 h
Description
Steps to reproduce:
- tcpFactory->createChannel("::", 6363)
telnet 127.0.0.1 6363
Expected: connection refused
Actual: connected
RFC4291 defines IPv4-Mapped IPv6 Address.
In linux and OSX , bind(2) on a IPv6 endpoint would accept both IPv6 and IPv4 addresses.
In FreeBSD, IPv4-Mapped IPv6 Address is disabled by default.
FaceManager::processSectionTcp creates IPv4 and IPv6 TCP channels separately.
When IPv6 channel wants to accept IPv4 connection, it leads to port number conflict.
TcpChannel::listen should set ip::v6_only option to true for IPv6 address.
Updated by Alex Afanasyev about 10 years ago
- Status changed from New to Code review
- % Done changed from 0 to 100
Updated by Junxiao Shi about 10 years ago
- Status changed from Code review to Closed
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