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I am giving to upload functionality, i want that files must be scaned on Server side, Before they uploaded and then they are are saved on that server.
Is there any free available antivirus engines to scan the attachment on the server?
Thanks
You can’t exactly “scan” the file on the client. However, some manipulation is possible, determined by the client security settings.
I believe it is quite difficult as browsers implement such functionality differently (Internet Explorer could use ActiveX scripting for example).
You could try to look into that perhaps.
Regarding free antivirus, I believe Google has the answer 😉
But seriously, Avast and AVG are both providing home users with free versions of their antivirus. Since you haven’t said anything about your purpose of the server, I don’t know whether using the free versions is legal.
If you’re willing to pay a bit for a AV solution, I can recomend NOD32. That said, I should mention that I have no experience with the server version. I use the workstation version, which is very light weight.