I did the experiment someone mentioned earlier, I am running 6281 behind a 
firewall as a permanent node. 

First: 6281 is very fast and responsive. Perhaps it is the small development 
network, but there is plenty of traffic and a lot of content is available, 
and I am still getting most pages in less than 2 sec.

Even though my node is behind a firewall, it seems to be able to respond to 
plenty of requests:

        Smoothed local mean traffic (queries per hour): 17734.678
        Smoothing half life (lsHalfLifeHours): 0.100 hour.
        That is, the rate decays completely to a new value after 1.000 hour. 
        Instantenous local traffic: 33497.720 queries per hour.
        That is, the last 500 queries arrived in 53.735 second or 0.015 hour. 
        Current proportion of requests being accepted: 0.306
        Current advertise probability: 0.020
        Traffic data from 74 nodes (max allowed 100).
        Global mean traffic per node (queries per hour): 15885.393

Can someone explain exactly why this works. I assume that because I am 
returning requests I am getting into the routing table of nodes that I am 
connected to. However I hope that I am not causing the network to do a lot of 
work whereby lots of nodes keep trying to contact me and can't get through. 
Anyway I think that this fairly well indicates that even a Firewalled node 
can contribute to the network even without any special provisions.

As other people mentioned I'm seeing a lot of:
Implausible report: 2.6417542E7

And lots of these:

Upstream node connection died for freenet.node.states.request.TransferReply: 
key=cfd942d6a4936cb796ff69817241aaebfc95e481140302, hopsToLive=11, 
id=4cb4266226dfa170, [EMAIL PROTECTED] 
(cfd942d6a4936cb796ff69817241aaebfc95e481140302,request),[EMAIL 
PROTECTED]@1067186246295, 
routedTime=1067185350717, replyTime=1067185436455, outwardSender=null

And even more of these:
Long messageInitialStateTime 1492 : freenet.Message: DataRequest 
@[EMAIL PROTECTED] for tcp/connection: 
44293>80.126.114.182:11487,[EMAIL PROTECTED],[EMAIL PROTECTED], 
sending null:1290 for [EMAIL PROTECTED] (DSA(2554 992f 9bde 6afb 
501c 5369 00aa f1f5 2098 88b2),tcp/a80-126-114-182.adsl.xs4all.nl:11487, 
sessions=1, presentations=1, ID=DSA(2554 992f 9bde 6afb 501c 5369 00aa f1f5 
2098 88b2)): outbound attempts=4:0/4 @ e216c6ac40c58fd3

Also I'm seeing this: (and I was NOT trying to insert data.)

Failed to send insert data with CB 0x30 (Unknown control byte), 
forfreenet.node.states.request.TransferInsert: 
key=9fa4bbdfc9564efe803f5a6364e3f03f1018d2c2120302, hopsToLive=3, 
id=53ea2f0f6992fdcf, [EMAIL PROTECTED] 
(9fa4bbdfc9564efe803f5a6364e3f03f1018d2c2120302,insert),[EMAIL 
PROTECTED]@1067186914618, 
routedTime=1067186630777, replyTime=-1, outwardSender=null, approved, 
insertReplyTime=-1

Did not terminate [EMAIL PROTECTED] 
(9fa4bbdfc9564efe803f5a6364e3f03f1018d2c2120302,insert)

And Finaly this:

Error while receiving message freenet.Message: Accepted 
@[EMAIL PROTECTED] for tcp/connection: 
43683>208.48.228.198:10119,[EMAIL PROTECTED],[EMAIL PROTECTED], 
sending null:-1 for [EMAIL PROTECTED] (DSA(21a3 93be 8415 ea20 af31 
4a96 0fb4 988e 6a67 7bd9),tcp/208.48.228.198:10119, sessions=1, 
presentations=1, ID=DSA(21a3 93be 8415 ea20 af31 4a96 0fb4 988e 6a67 7bd9)): 
outbound attempts=9:0/9 @ ee7dc8eb17bdd906 in state 
freenet.node.states.request.TransferInsertPending: 
key=e0271d033886de02c853f1d90b317280217302bc140302, hopsToLive=10, 
id=ee7dc8eb17bdd906, [EMAIL PROTECTED] 
(e0271d033886de02c853f1d90b317280217302bc140302,insert),[EMAIL 
PROTECTED]@1067187108091, 
routedTime=1067187107929, replyTime=-1, outwardSender=null, not-approved, 
insertReplyTime=-1: java.lang.IllegalStateException: null stream from buffer 
[EMAIL PROTECTED]:null

Did not terminate [EMAIL PROTECTED] 
(e0271d033886de02c853f1d90b317280217302bc140302,insert)


PS: Who put the code back that logs the key value when logLevel is not debug. 
I spent a long time getting rid to that.

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