[clamav-users] TCP FIN Packet Received Before Data

2017-05-08 Thread Cory Parrish
Hello, I'm trying to stream a file to clamav (V 0.99.2) using the TCP Connection from a NodeJS server. Sometimes data is being sent back but other times I am receiving the "FIN" packet before any data. Every time I send a stream to be scanned, I see the result in the clamav logs, but for some reaso

Re: [clamav-users] TCP FIN Packet Received Before Data

2017-05-08 Thread Steven Morgan
Cory, If you can capture the tcp network traffic for a successful and a failed session and send me the pcap files, I'd be glad to take a look at them. I have noticed that clamd only allows a short delay following tcp connection establishment before receiving a clamd command or else it sends a fin

Re: [clamav-users] TCP FIN Packet Received Before Data

2017-05-08 Thread Cory Parrish
Thanks for the response Steven. I will get the information that you are looking for. What I have done in the meantime, is setup a retry of the scan with a 50 ms delay until I receive an expected response (i.e. non FIN packet). What I have found is that I always eventually get the expected response

Re: [clamav-users] TCP FIN Packet Received Before Data

2017-05-08 Thread Cory Parrish
Please find the pcap file attached. This particular run had 19 failures and then the 20 time I received the expected response. I'll analyze it on my end too but don't have much experience at this so a little help is definitely appreciated. On Mon, May 8, 2017 at 4:43 PM, Cory Parrish wrote: > Th

Re: [clamav-users] TCP FIN Packet Received Before Data

2017-05-08 Thread Steven Morgan
On Mon, May 8, 2017 at 4:43 PM, Cory Parrish wrote: > Thanks for the response Steven. I will get the information that you are > looking for. > > What I have done in the meantime, is setup a retry of the scan with a 50 ms > delay until I receive an expected response (i.e. non FIN packet). What I >

Re: [clamav-users] TCP FIN Packet Received Before Data

2017-05-08 Thread Steven Morgan
... and / or CommandReadTimeout. ___ clamav-users mailing list clamav-users@lists.clamav.net http://lists.clamav.net/cgi-bin/mailman/listinfo/clamav-users Help us build a comprehensive ClamAV guide: https://github.com/vrtadmin/clamav-faq http://www.cla

Re: [clamav-users] TCP FIN Packet Received Before Data

2017-05-08 Thread Steven Morgan
On Mon, May 8, 2017 at 5:07 PM, Cory Parrish wrote: > Please find the pcap file attached. This particular run had 19 failures and > then the 20 time I received the expected response. I'll analyze it on my > end too but don't have much experience at this so a little help is > definitely appreciate

[clamav-users] ClamAV on RHEL 6.8 (IBM Power 8 -PPC64)

2017-05-08 Thread Kishore Pawar
Hello Friends I am not sure if this is the right place to send the request to the issues that I am facing. I had ClamAV 0.97.1 running on RHEL (2.6.32-642.6.1.el6.ppc64) on our IBM Power 7 system since many years. Today I upgraded it to ClamAV 0.99.2 (Source code). Unfortunately the DB is no loa

[clamav-users] Question about Heuristic Scanning and Signature Based Scanning

2017-05-08 Thread crazy thinker
Hi ClamAV Developers,Users As per My Understnading , Virus Signatures are Classified into two types 1.Static Virus Signatures(short/fixed length virus signatures) 2.Dynamic Virus Signatures(long length Signatures with Regular Expression) So I guess, ClamAV performing both Signature Based Scann

Re: [clamav-users] Question about Heuristic Scanning and Signature Based Scanning

2017-05-08 Thread Al Varnell
I already answered most of these questions before and after reading "My Understanding" which is totally wrong, it's obvious you have not read the signature.pdf documentation closely enough to understand an of this. The way you have chosen to classify signatures is completely wrong, which means