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sftp server listens on reachable IP addresses by default #1410

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opened 2011-05-25 22:42:16 +00:00 by gdt · 0 comments
gdt commented 2011-05-25 22:42:16 +00:00
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The sftp server listens without binding to localhost by default. While the docs advise (see #1175) to specify 127.0.0.1, sftp should default to local because it's the standard approach for FUSE mounting, and mounting a filesystem locally should not cause any globally listening sockets.

Eventually we'll have IPv6, so listening should be on not only 127.0.0.1 but also ::1. Therefore I suggest a variable in the sftpd section "global", defaulting to false, that if false causes listening on localhost only, and if true the current behavior.

The sftp server listens without binding to localhost by default. While the docs advise (see #1175) to specify 127.0.0.1, sftp should default to local because it's the standard approach for FUSE mounting, and mounting a filesystem locally should not cause any globally listening sockets. Eventually we'll have IPv6, so listening should be on not only 127.0.0.1 but also ::1. Therefore I suggest a variable in the sftpd section "global", defaulting to false, that if false causes listening on localhost only, and if true the current behavior.
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tahoe-lafs added this to the undecided milestone 2011-05-25 22:42:16 +00:00
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Reference: tahoe-lafs/trac-2024-07-25#1410
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