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<base href="https://bugzilla.netfilter.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Time-zone bug in hour-of-day parsing or display"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=1720">1720</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Time-zone bug in hour-of-day parsing or display
</td>
</tr>
<tr>
<th>Product</th>
<td>nftables
</td>
</tr>
<tr>
<th>Version</th>
<td>1.0.x
</td>
</tr>
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<th>Hardware</th>
<td>All
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P5
</td>
</tr>
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<th>Component</th>
<td>nft
</td>
</tr>
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<th>Assignee</th>
<td>pablo@netfilter.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>aaron.dunlop@gmail.com
</td>
</tr></table>
<p>
<div>
<pre>Time-of-day rules overflow based on time zone.
E.g., in PDT (GMT - 7):
nft add rule test FORWARD ip saddr 192.168.2.100 meta hour "17:00-17:59” accept
nft list chain test FORWARD
...
ip saddr 192.168.2.100 meta hour "23:28:16"-"00:27:16" accept
I've tested 1.0.2 and 1.0.8 (with OpenWrt 22.03 and 23.05)
I suspect this may be a formatting defect (display only, not affecting packet
matching), but I haven’t confirmed that yet.
Other cases noted in the discussion at
<a href="https://forum.openwrt.org/t/netfilter-time-of-day-behavior-after-17-00/176112">https://forum.openwrt.org/t/netfilter-time-of-day-behavior-after-17-00/176112</a>
Related: the wiki page indicates that seconds are optional (so the example
above omits them). If I add seconds, I get:
# nft add rule test FORWARD ip saddr 192.168.2.100 meta hour
"16:00:00-16:59:59" accept
Error: syntax error, unexpected colon, expecting end of file or newline or
semicolon
add rule test FORWARD ip saddr 192.168.2.100 meta hour 16:00:00-16:59:59 accept
^</pre>
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