You select preferences to control file-transfer features that appear in the Files panel.
By default, the local site always appears on the right. Whichever pane is not chosen (the left one by default) is the changeable pane: this pane can display either the site map or the files in the other site (the remote site by default).
It’s usually a good idea to download dependent files when checking out a new file, but if the latest versions of the dependent files are already on the local disk, there’s no need to download them again. This is also true for uploading and checking in files: no need if up-to-date copies are already at the destination.
If there is no response after the specified amount of time, Dreamweaver displays a warning dialog box alerting you to this fact.
If you are not behind a firewall, leave this space blank. If you are behind a firewall, select the Use Firewall option in the Site Definition dialog box.