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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>I’m using Suricata 4.0.4,<o:p></o:p></p><p class=MsoNormal>I want to check md5 of files with this rule:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>alert http any any -> any any (msg:"FILE MD5 Check against Malware Patrol blacklist"; filemd5: /root/2018.md5.txt; sid:10203040; rev:1;)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>but after running suricata, it says:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><Error> - [ERRCODE: SC_ERR_NO_MD5_SUPPORT(209)] - no MD5 calculation support built in, needed for filemd5 keyword<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Any suggestions?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>BR<o:p></o:p></p></div></body></html>