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Update README.md

Peter Siegrist 6 years ago
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README.md

@@ -9,6 +9,15 @@ The Sniffer accepts some filter like tcpdump.<br>
 
 
 For HTTP connections, there is an argument to show part of its payload.<br>
 For HTTP connections, there is an argument to show part of its payload.<br>
 
 
+----
+Under some cirumstances the program/PID cannot be evaluated. This would be reported as follow:
+<pre>
+ "?/?" = No entry in /proc/net/[TCP/UDP/ICMP]
+ "-/-" = Found Inode but no PID
+ "./." = The Inode found is '0'
+</pre>
+----
+
 <p><i>
 <p><i>
 !! sisniff uses scapy's sniff() function, so scapy package is needed:<br>
 !! sisniff uses scapy's sniff() function, so scapy package is needed:<br>
 !! debian: apt-get install scapy<br>
 !! debian: apt-get install scapy<br>