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--- doc:appunti:linux:sa:ulogd2 [2025/04/03 12:25] – [/etc/ulogd.conf] niccolo
+++ doc:appunti:linux:sa:ulogd2 [2025/04/03 12:43] (current) – [/etc/logrotate.d/ulogd2] niccolo
@@ Line 79: / Line 79: @@
 So if I want to track new and destroyed connections, the event_mask mus be set to 0x00000001 + 0x00000004 = 0x00000005.
+==== Logging bytes_sent and bytes_received ====
+Check that conntrack has the **bytes=** field in this output:
+<code>
+conntrack -L -o extended
+</code>
+Run the following:
+<code>
+sysctl -w net.netfilter.nf_conntrack_acct=1
+</code>
+for permanent setting across reboot create the file **/etc/sysctl.d/99-nf_conntrack_acct.conf** with:
+<file>
+net.netfilter.nf_conntrack_acct=1
+</file>
 ==== /etc/logrotate.d/ulogd2 ====