Run­ning Wireshark

OpenSource For You - - ADMIN LET'S TRY -

If you try to run WireShark as a nor­mal user, you may not be DbOH WR XsH nHWwRUN LnWHUIDFHs IRU FDSWXULng nHWwRUN WUDI­fiF, due to rea­sons re­lated to UNIX per­mis­sions. Run WireShark as the root ( sudo wireshark) when cap­tur­ing data, and as a nor­mal user when analysing net­work data. Fig­ure 1 shows WireShark run by a user with­out root priv­i­leges.

Be­fore go­ing into more de­tails about WireShark, I have WR WDON DbRXW nHWwRUN WUDI­fiF Ln (WhHUnHW nHWwRUNs WhDW XsH WhH TCP/IP fam­ily of pro­to­cols. When we say TCP/IP, we not only mean the TCP and IP pro­to­cols, but many other pro­to­cols in­clud­ing ARP, BOOTP, UDP, ICMP, FTP, etc. In­for­ma­tion is WUDn­sIHUUHG XsLng SDFNHWs. (DFh SDFNHW hDs D hHDGHU DnG D bRGy part. The header part con­tains in­for­ma­tion that is needed by

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