The u/gid shows the user and group
ownership associated with the file descriptor. The bytes is the number of bytes in a file, and
zero for almost everything else.
For a socket, the stats part of each line looks like this:
[addr]/port-> host
Here, addr is the IP address (surrounded in square braces) of the local end of the socket. If
the connection is of type AF_INET or AF_INET6, the port number of the connection is
also shown as /port. Th ehost is the hostname, as returned by getpeername(3), of the
connecting host. If any of these cannot be found, the error string associated with errno is
printed parenthetically in its place.
EF_SPLIT 0x04000000 This envelope has been split.
EF_UNSAFE 0x08000000 Message read from an untrusted source.
Table 15-5. Hexadecimal envelope flags (continued)
Text Hex Description
This is the Title of the Book, eMatter Edition
Copyright ?© 2007 O??™Reilly & Associates, Inc. All rights reserved.
15.7 Reference for -d in Numerical Order | 547
The -d7.9, -d40.9, and -d46.9 debugging switches also print a line such as this for specific
file descriptors. Also, if sendmail is run withth e -d10.100 switch, or if sendmail fails to open
a tf queue file (?§11.2.6 on page 400) or if sendmail exited because of too many open files, it
will syslog all its open file descriptors within this format.
15.7.10 -d4.
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