They should also send redirects for all port 80 requests, and possibly an HSTS header (on port 443 requests).
To install the Smart Sync driver or system extension, visit this article. Our recommendation is that all servers meant for general web use should offer both HTTP on port 80 and HTTPS on port 443.
To learn how to connect through a proxy network, visit this article.
Update your security application to the latest version.You may be prompted to do so when you download the Dropbox desktop app. The terminology for this action will vary depending on your software. If it contains a port number, the site is trying to connect through a non-standard port. Web Services: Allows HTTP (TCP port 80) and HTTPS (TCP port 443). The following options are available in the next dialog. Select Public Server Guide in the following dialog. You can usually tell by looking at the URL. To allow access to the server, select the QUICK CONFIGURATION option from the top of the page on the web GUI. Whitelist, ignore, or allow Dropbox in your security software’s settings. Configuring the Smoothwall Filter and Firewall to Allow Access to a Website That Uses a Non-Standard Port Some websites dont use a standard port of 80.If you have additional firewall, security, or antivirus, your steps to allow Dropbox permissions will vary depending on your operating system and software, but these are the general steps you can take: And for the Whitelist IP addresses all the ports s. The Dropbox desktop app doesn’t require any additional permissions on a standard Windows or Mac operating system with no additional firewall, security applications (such as ESET), or antivirus software. I want to set up CentOS 7 firewall such that, all the incoming requests will be blocked except from the originating IP addresses that I whitelist. Add the following domains to your whitelist to enable firewall or proxy to allow connections from.