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Avast
Which web shield/web protection is better?
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<blockquote data-quote="SeriousHoax" data-source="post: 957508" data-attributes="member: 78686"><p>You don't need the Avast Browser Security extension. You can disable or remove that. It only provides a user rating based reputation. It even slowed down page loading in my test. Avast's web shield works system-wide regardless of the browser.</p><p>The HTTPS scanning feature of Avast works differently compared to Bitdefender, ESET, Kaspersky, K7 and some others. Avast don't inject their own certificate into the browser like the mentioned one. It seems Avast use a browser API to scan everything that's loaded the by browser. I'm not 100% sure about the browser API thing but as far as I know there are three ways to scan the content loaded by a browser. One is via extension using the necessary browser API, one is by MITMing the HTTPS connection and the other is using browser API without requiring any extension. Avast does the last one.</p><p>The good things about this approach compared to MITMing are that it doesn't break the HTTPS connection, browsing speed seems to be faster.</p><p>But this approach has a bit higher disk write while browsing. At least compared to ESET which doesn't seem to write anything on the disk but Kaspersky does.</p><p>One exception that I found is Twitch. If you watch 5 GB streaming content on twitch then Avast also writes about 5 GB data on the disk. It can be avoided by adding "https://*.ttvnw.net/*" into exception.</p><p>Avast's web protection is much better than protection provided by the browsers.</p></blockquote><p></p>
[QUOTE="SeriousHoax, post: 957508, member: 78686"] You don't need the Avast Browser Security extension. You can disable or remove that. It only provides a user rating based reputation. It even slowed down page loading in my test. Avast's web shield works system-wide regardless of the browser. The HTTPS scanning feature of Avast works differently compared to Bitdefender, ESET, Kaspersky, K7 and some others. Avast don't inject their own certificate into the browser like the mentioned one. It seems Avast use a browser API to scan everything that's loaded the by browser. I'm not 100% sure about the browser API thing but as far as I know there are three ways to scan the content loaded by a browser. One is via extension using the necessary browser API, one is by MITMing the HTTPS connection and the other is using browser API without requiring any extension. Avast does the last one. The good things about this approach compared to MITMing are that it doesn't break the HTTPS connection, browsing speed seems to be faster. But this approach has a bit higher disk write while browsing. At least compared to ESET which doesn't seem to write anything on the disk but Kaspersky does. One exception that I found is Twitch. If you watch 5 GB streaming content on twitch then Avast also writes about 5 GB data on the disk. It can be avoided by adding "https://*.ttvnw.net/*" into exception. Avast's web protection is much better than protection provided by the browsers. [/QUOTE]
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