Add IPv6 (dual-stack) support for DICOM SCP connections in dcmnet module - #128
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Add IPv6 (dual-stack) support for DICOM SCP connections in dcmnet module#128SobhitaMercy wants to merge 1 commit into
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This change adds IPv6 and dual-stack support to the DICOM network layer (dcmnet) for SCP (server/acceptor) roles. Prior to this patch, DCMTK’s initializeNetworkTCP() and related logic in dul.cc created and bound sockets using only the IPv4 family (AF_INET). As a result, SCP applications (e.g., storescp, movescu, dcmrecv, custom SCPs) could not accept incoming IPv6 connections even though the SCU side already supported IPv6. This patch enables SCPs to accept both IPv4 and IPv6 associations transparently.
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Thank you very much for your contribution! I have somewhat re-worked the implementation to make the protocol family selectable and today committed the implementation as commit #4215154c9 to our "testing" branch. It should appear in the public repository in a couple of days. |
michaelonken
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Nov 4, 2025
Added support for explicitly selecting the IP protocol version (including IPv6 and a dual-stack IPv4/v6 mode) to all DCMTK "server" applications that accept incoming DICOM associations. Thanks to Sobhita Mercy <sobhitamercy@gmail.com> for this contribution. This closes GitHub pull request #128.
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This change adds IPv6 and dual-stack support to the DICOM network layer (dcmnet) for SCP (server/acceptor) roles. Prior to this patch, DCMTK’s initializeNetworkTCP() and related logic in dul.cc created and bound sockets using only the IPv4 family (AF_INET). As a result, SCP applications (e.g., storescp, movescu, dcmrecv, custom SCPs) could not accept incoming IPv6 connections even though the SCU side already supported IPv6.
This patch enables SCPs to accept both IPv4 and IPv6 associations transparently.