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.TH QSSIGN 1 "May 2023" "mod_qos utilities 11.74" "qssign man page"
.SH NAME
qssign \- an utility to sign and verify the integrity of log data.
.SH SYNOPSIS
qssign \-s|S <secret> [\-e] [\-v] [\-u <name>] [\-f <regex>] [\-a 'sha1'|'sha256']
.SH DESCRIPTION
qssign is a log data integrity check tool. It reads log data from stdin (pipe) and writes the data to stdout adding a sequence number and signature to ever log line.
.SH OPTIONS
.TP
\-s <secret>
Passphrase used to calculate signature.
.TP
\-S <program>
Specifies a program which writes the passphrase to stdout.
.TP
\-e
Writes start/end marker when starting/stopping data signing.
.TP
\-v
Verification mode checking the integrity of signed data.
.TP
\-u <name>
Becomes another user, e.g. www\-data.
.TP
\-f <regex>
Filter pattern (case sensitive regular expression) for messages which do not need to be signed.
.TP
\-a 'sha1'|'sha256'
Specifies the algorithm to use. Default is sha1.
.SH EXAMPLE
Sign:
TransferLog "|/usr/bin/qssign \-s password \-e |/usr/bin/qsrotate \-o /var/log/apache/access.log"
Verify:
cat access.log | qssign \-s password \-v
.SH SEE ALSO
qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qshead(1), qslog(1), qslogger(1), qspng(1), qsre(1), qsrespeed(1), qsrotate(1), qstail(1)
.SH AUTHOR
Pascal Buchbinder, http://mod-qos.sourceforge.net/
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