Red Hat NETWORK PROXY SERVER 3.7 - Bedienungsanleitung PDF herunterladen (Seite 32)

22 Conﬁguring Your Secure Web Server

you might want to use www.yourserver.com when your server’s

real name is actually blah.yourserver.com. Note that the

ServerName has to be a valid DNS name that you have the right to

use (i.e., you can’t just make something up).

If you do specify a ServerName, be sure its IP address and server

name pair are included in your /etc/hosts ﬁle.

UseCanonicalName UseCanonicalName is set by default to on.

UseCanonicalName allows the server to construct an URLthat ref-

erences itself, using ServerName and Port.

CacheNegotiatedDocs By default, your secure web server asks proxy

servers not to cache any documents which were negotiated on the

basis of content (i.e., they may change with time or based on the in-

putfromtherequester). If you uncomment CacheNegotiatedDocs,

you are disabling that function and proxy servers will be allowed to

cache the documents from then on.

Timeout Timeout deﬁnes,in seconds, theamount oftimethatyourserver

willwaitforreceiptsandtransmissionsduringcommunications. Specif-

ically, Timeout deﬁnes how long your server will wait to receive a

GET request, howlong it will wait to receiveTCP packets on a POST

or PUTrequest andhow long it will wait between ACKs responding

to TCPpackets. Timeout is set to 300,which is appropriatefor most

situations.

KeepAlive KeepAlive allowspersistentconnections(i.e.,morethanone

request per connection), or does not allow persistent connections.

KeepAlive can be used to prevent any one client from consuming

too much of the server’s resources. By default, KeepAlive is set to

on, which meansthat yourserver allows persistentconnections. You

could set it to off, which would disable persistent connections. See

the MaxKeepAliveRequests directivefora relatedway of limiting

requests per connection.

MaxKeepAliveRequests This directivesets the maximum number of re-

quests allowed per persistent connection. Apache recommends a

high setting, which will improve your server’s performance.

MaxKeepAliveRequests is set to 100 by default,which should be

appropriate for most situations.

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Red Hat NETWORK PROXY SERVER 3.7 - Bedienungsanleitung Seite 32