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| author | Gerd Hoffmann <kraxel@redhat.com> | 2014-10-02 12:09:34 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2015-01-22 11:18:47 +0100 |
| commit | e5f34cdd2da54f28d90889a3afd15fad2d6105ff (patch) | |
| tree | b4bb4eafa06d5c95b7d8413f49e1d18bd4ab4185 /qemu-doc.texi | |
| parent | 86fdcf23f4a9d8473844734907555b3a93ed686c (diff) | |
| download | qemu-e5f34cdd2da54f28d90889a3afd15fad2d6105ff.tar.gz qemu-e5f34cdd2da54f28d90889a3afd15fad2d6105ff.tar.bz2 qemu-e5f34cdd2da54f28d90889a3afd15fad2d6105ff.zip | |
vnc: track & limit connections
Also track the number of connections in "connecting" and "shared" state
(in addition to the "exclusive" state). Apply a configurable limit to
these connections.
The logic to apply the limit to connections in "shared" state is pretty
simple: When the limit is reached no new connections are allowed.
The logic to apply the limit to connections in "connecting" state (this
is the state you are in *before* successful authentication) is
slightly different: A new connect kicks out the oldest client which is
still in "connecting" state. This avoids a easy DoS by unauthenticated
users by simply opening connections until the limit is reached.
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'qemu-doc.texi')
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