Daily Usenet Report

May 4 00:01:01 -- May 5 00:01:02

Unknown entries from news log file:

First 1 / 1 lines (100.0%)

May 5 00:00:02 newsfeed nnrpd[3472848]: localhost auth: program exited with status 8

Log entries by program:

Program nameLines%LinesSize%Size
nnrpd 25185 52.5%3.0 MB 34.7%
innd 9109 19.0%1.3 MB 14.8%
inn 8396 17.5%3.4 MB 39.4%
innfeed 4600 9.6%889.0 KB 10.0%
cnfsstat 576 1.2%87.6 KB 1.0%
nocem 75 0.2%8.6 KB 0.1%
controlchan 1 0.0%0.1 KB 0.0%
TOTAL: 7 47942 100.0%8.7 MB100.0%

History cache:

ReasonCount%Count
Positive hits 124907 62.7%
Negative hits 66025 33.1%
Do not exist 8269 4.2%
Cache misses 27 0.0%
TOTAL: 4 199228 100.0%

innd timer:

Code regionTimePctInvokedMin(ms)Avg(ms)Max(ms)
article cancel00:00:00.085 0.0%21 1.000 4.048 9.000
article cleanup00:00:00.093 0.0%8365 0.000 0.011 0.100
article logging00:00:00.503 0.0%8417 0.000 0.060 1.221
article parse00:00:00.201 0.0%13112 0.000 0.015 0.071
article write00:00:02.658 0.0%6497 0.000 0.409 16.348
artlog/artcncl00:00:00.000 0.0%2 0.000 0.000 0.000
artlog/artparse00:00:00.000 0.0%0 0.000 0.000 0.000
data move00:00:00.554 0.0%200198 0.000 0.003 0.058
hisgrep/artcncl00:00:00.075 0.0%21 0.000 3.571 7.000
hishave/artcncl00:00:00.000 0.0%2 0.000 0.000 0.000
hishave/artparse00:00:00.000 0.0%0 0.000 0.000 0.000
history grep00:00:00.000 0.0%0 0.000 0.000 0.000
history lookup00:02:41.924 0.2%200994 0.093 0.806 7.095
history sync00:00:00.072 0.0%390 0.000 0.185 1.000
history write00:01:58.623 0.1%8343 3.651 14.218 123.242
hiswrite/artcncl00:00:00.000 0.0%0 0.000 0.000 0.000
hiswrite/artparse00:00:00.000 0.0%0 0.000 0.000 0.000
idle23:49:01.088 99.2%203302 107.879 421.742 1493.033
nntp read00:00:03.275 0.0%201846 0.004 0.016 0.273
overview write00:05:49.062 0.4%6497 0.667 53.727 4406.214
perl filter00:00:22.940 0.0%8343 1.328 2.750 25.500
python filter00:00:01.049 0.0%8343 0.000 0.126 2.209
site send00:00:01.142 0.0%13059 0.000 0.087 0.303
TOTAL: 2324:00:03.344 99.9%----

innfeed timer:

Code regionTimePctInvokedMin(ms)Avg(ms)Max(ms)
article new00:00:00.016 0.0%6600 0.000 0.002 0.037
article prepare00:00:00.006 0.0%48176 0.000 0.000 0.010
article read00:00:00.573 0.0%4156 0.000 0.138 0.385
backlog stats00:00:00.379 0.0%254845 0.000 0.001 0.009
callbacks00:00:00.000 0.0%0 0.000 0.000 0.000
data read00:00:02.148 0.0%180495 0.002 0.012 0.039
data write00:00:03.358 0.0%175341 0.008 0.019 0.034
idle23:56:37.903100.0%254845 167.798 338.237 1504.208
status file00:00:00.428 0.0%350 1.000 1.223 13.000
TOTAL: 923:56:44.811100.0%----

nnrpd timer:

Code regionTimePctInvokedMin(ms)Avg(ms)Max(ms)
idle00:54:08.187 99.9%16703 31.500 194.467164810.000
newnews00:00:00.000 0.0%0 0.000 0.000 0.000
nntpwrite00:00:04.826 0.1%112296 0.000 0.043 0.500
TOTAL: 300:54:13.013100.0%----

Control commands to innd:

CommandNumber
flush 5
flushlogs 2
go 2
logmode 2
lowmark 1
mode 99
name 2
pause 2
paused 2
reload 2
reserve 2
TOTAL: 11 121

Incoming feeds (innd):

ServerConnectsOfferedTakenRefusedReject%AccptElapsed
1endofthelinebbs-out.news.weretis.net 3 12378 2462 9512 404 19%45:55:04
2news.dne3.net 1 6183 1034 5141 8 16%22:52:44
3usenet.blueworldhosting.com 720 8208 758 6610 840 9%23:52:33
4nntp.comgw.net 2 7861 296 7405 160 3%23:59:18
5news.corradoroberto.it 2 1820 291 1521 8 15%23:59:52
6i2pn.org 1 7676 243 7273 160 3%23:59:53
7newsfeed.bofh.team 1 8182 218 7897 67 2%23:59:57
8news.hispagatos.org 6 8104 187 7866 51 2%24:26:19
9news.samoylyk.net 2 6193 165 6022 6 2%23:58:42
10usenet.goja.nl.eu.org 10 7352 158 7146 48 2%21:52:51
11endofthelinebbs.peers.news.panix.com 24 6912 143 6763 6 2%23:54:51
12194.87.241.33 39 235 141 94 0 60%12:38:07
13newsfeed.xs3.de 1 5611 90 5516 5 1%23:59:55
14usenet.network 2 5386 90 5282 14 1%23:59:51
15peering.usenet.ovh 1 7679 60 7611 8 0%23:59:57
16news-out.tcpreset.net 2 6135 56 6071 8 0%23:59:50
17endoftheline-out.news.chmurka.net 2 3104 52 3051 1 1%23:59:13
18glockenspiel.complete.org 2 5107 48 5058 1 0%23:59:37
19news.furie.org.uk 1 3221 35 3185 1 1%23:59:57
20news.netfront.net 1 6665 34 6575 56 0%25:10:44
21outgoing.news.lysator.liu.se 2 4451 7 4442 2 0%23:58:13
22news.bbs.nz 1 6260 1 6258 1 0%23:59:11
23eotl-out.news.tnetconsulting.net 1 0 0 0 0 0%00:10:02
24localhost 27 0 0 0 0 0%00:00:00
25news.nk.ca 2 0 0 0 0 0%00:20:17
TOTAL: 25 856 134723 6569 126299 1855 4%537:06:58
Articles received by server

Incoming volume (innd):

ServerAcceptVolDupVolRejVolTotalVol%AccVol/Art
1endofthelinebbs-out.news.weretis.net7.1 MB4.4 KB602.0 KB7.7 MB 92%2.7 KB
2news.dne3.net2.8 MB2.1 KB6.5 KB2.8 MB 99%2.7 KB
3news.samoylyk.net2.1 MB2.1 KB5.1 KB2.1 MB 99%12.7 KB
4nntp.comgw.net1.9 MB2.1 KB599.2 KB2.5 MB 76%5.5 KB
5news.corradoroberto.it1.8 MB0.0 KB8.6 KB1.8 MB 99%6.3 KB
6usenet.blueworldhosting.com1.5 MB0.0 KB1.6 MB3.0 MB 48%1.9 KB
7usenet.network1.0 MB2.2 KB19.7 KB1.1 MB 97%10.4 KB
8newsfeed.xs3.de674.2 KB2.1 KB7.5 KB683.8 KB 98%7.2 KB
9i2pn.org670.5 KB2.1 KB202.9 KB875.6 KB 76%2.2 KB
10news.hispagatos.org663.2 KB2.1 KB76.8 KB742.1 KB 89%3.1 KB
11newsfeed.bofh.team587.4 KB3.5 KB101.1 KB692.0 KB 84%2.4 KB
12194.87.241.33516.6 KB0.0 KB0.0 KB516.6 KB100%3.7 KB
13usenet.goja.nl.eu.org458.5 KB2.1 KB52.0 KB512.7 KB 89%2.5 KB
14endofthelinebbs.peers.news.panix.com293.0 KB2.1 KB5.6 KB300.8 KB 97%2.0 KB
15peering.usenet.ovh261.9 KB2.1 KB8.5 KB272.6 KB 96%4.0 KB
16news-out.tcpreset.net252.3 KB10.8 KB5.2 KB268.3 KB 94%4.2 KB
17glockenspiel.complete.org221.7 KB2.1 KB0.0 KB223.8 KB 99%4.6 KB
18outgoing.news.lysator.liu.se147.4 KB2.1 KB1.2 KB150.8 KB 97%16.8 KB
19endoftheline-out.news.chmurka.net136.3 KB0.0 KB0.7 KB137.0 KB 99%2.6 KB
20news.furie.org.uk126.4 KB2.2 KB0.0 KB128.5 KB 98%3.6 KB
21news.netfront.net72.9 KB2.2 KB871.7 KB946.8 KB 7%10.5 KB
22news.bbs.nz3.7 KB2.1 KB0.0 KB5.8 KB 63%2.9 KB
23eotl-out.news.tnetconsulting.net0.0 KB0.0 KB0.0 KB0.0 KB 0%0
24localhost0.0 KB0.0 KB0.0 KB0.0 KB 0%0
25news.nk.ca0.0 KB0.0 KB0.0 KB0.0 KB 0%0
TOTAL: 2523.1 MB50.8 KB4.1 MB27.3 MB 84%3.3 KB
Incoming volume received by server

Incoming articles (innd):

DateArticles%ArtsArt/secSize%SizeKB/sec
May 4 00:01:01 - 00:59:59 141 2.2% 0.04437.0 KB 1.9% 0.12
May 4 01:00:00 - 01:59:59 192 3.0% 0.05538.1 KB 2.3% 0.15
May 4 02:00:00 - 02:59:59 255 3.9% 0.07729.6 KB 3.1% 0.20
May 4 03:00:00 - 03:59:59 330 5.1% 0.091.0 MB 4.5% 0.29
May 4 04:00:00 - 04:59:59 394 6.1% 0.111.2 MB 5.2% 0.33
May 4 05:00:00 - 05:59:59 318 4.9% 0.091.1 MB 4.7% 0.30
May 4 06:00:00 - 06:59:59 345 5.3% 0.101.0 MB 4.4% 0.29
May 4 07:00:00 - 07:59:59 334 5.1% 0.091.3 MB 5.9% 0.38
May 4 08:00:00 - 08:59:59 408 6.3% 0.111.2 MB 5.3% 0.34
May 4 09:00:00 - 09:59:59 355 5.5% 0.101.7 MB 7.6% 0.49
May 4 10:00:00 - 10:59:59 381 5.9% 0.111.1 MB 4.7% 0.31
May 4 11:00:00 - 11:59:59 340 5.2% 0.091.4 MB 5.9% 0.38
May 4 12:00:00 - 12:59:59 356 5.5% 0.101.2 MB 5.1% 0.33
May 4 13:00:00 - 13:59:59 444 6.8% 0.121.7 MB 7.3% 0.47
May 4 14:00:00 - 14:59:59 288 4.4% 0.081.1 MB 4.8% 0.31
May 4 15:00:00 - 15:59:59 308 4.7% 0.091.0 MB 4.4% 0.29
May 4 16:00:00 - 16:59:59 266 4.1% 0.07918.7 KB 3.9% 0.26
May 4 17:00:00 - 17:59:59 225 3.5% 0.061023.3 KB 4.4% 0.28
May 4 18:00:00 - 18:59:59 138 2.1% 0.04552.3 KB 2.4% 0.15
May 4 19:00:00 - 19:59:59 156 2.4% 0.04558.7 KB 2.4% 0.16
May 4 20:00:00 - 20:59:59 140 2.2% 0.04796.9 KB 3.4% 0.22
May 4 21:00:00 - 21:59:59 98 1.5% 0.03422.0 KB 1.8% 0.12
May 4 22:00:00 - 22:59:59 100 1.5% 0.03402.3 KB 1.7% 0.11
May 4 23:00:00 - 23:59:59 171 2.6% 0.05644.0 KB 2.8% 0.18
May 5 00:00:00 - 00:01:02 4 0.1% 0.069.4 KB 0.0% 0.15
TOTAL: 24:00:01 6487 100.0% 0.0822.8 MB 100.0% 0.27
Incoming articles
Incoming articles (size)

CNFS buffer status:

BufferClassSizeUsed%UsedCyclesKB/secDays
CYCNGS1NGS1536.0 GB48.0 MB 0.0% 1 0.00 0.00
CYCNGS2NGS1536.0 GB107.0 GB 7.0% 0 0.4343619.47
CYCNGS3NGS1536.0 GB48.0 MB 0.0% 0 0.00 0.00
CYCTXT1TEXT5.0 GB4.2 GB 84.3% 0 0.03 2085.54
TOTAL: 4-4613.0 GB111.3 GB 2.4% 1 0.31-

Sites sending bad articles:

ServerTotalGroupDistDuplicUnappTooOldSiteLineOther
1usenet.blueworldhosting.com 843 2 0 0 0 0 0 0 841
2endofthelinebbs-out.news.weretis.net 408 0 0 2 0 0 0 0 406
3nntp.comgw.net 188 0 0 1 0 0 0 0 187
4i2pn.org 161 0 0 1 0 0 0 0 160
5newsfeed.bofh.team 69 0 0 2 0 0 0 0 67
6news.netfront.net 64 0 0 1 0 0 0 0 63
7news.hispagatos.org 51 0 0 1 0 0 0 0 50
8usenet.goja.nl.eu.org 48 0 0 1 0 0 0 0 47
9usenet.network 15 0 0 1 0 0 0 0 14
10news-out.tcpreset.net 9 0 0 3 0 0 0 0 6
11news.dne3.net 9 0 0 1 0 0 0 0 8
12peering.usenet.ovh 9 0 0 1 0 0 0 0 8
13endofthelinebbs.peers.news.panix.com 8 0 0 1 0 0 0 0 7
14news.corradoroberto.it 8 0 0 0 0 0 0 0 8
15news.samoylyk.net 5 0 0 1 0 0 0 0 4
16newsfeed.xs3.de 5 0 0 1 0 0 0 0 4
17glockenspiel.complete.org 2 0 0 1 0 0 0 0 1
18outgoing.news.lysator.liu.se 2 0 0 1 0 0 0 0 1
19endoftheline-out.news.chmurka.net 1 0 0 0 0 0 0 0 1
20news.bbs.nz 1 0 0 1 0 0 0 0 0
21news.furie.org.uk 1 0 0 1 0 0 0 0 0
TOTAL: 21 1907 2 0 22 0 0 0 0 1883

Unwanted newsgroups [Top 20]:

NewsgroupCount
alt.asshole 2
TOTAL: 1 2

Perl filter (innd) [Top 20]:

ReasonCount
EMP (phn path) 1199
EMP (phr path) 288
EMP (md5) 141
Too many newsgroups 139
Angle-bracket bot 33
User-issued cancel 19
HTML Multipart 9
Too many newsgroups (meow) 2
Subject (lsdorpervlakte) 1
TOTAL: 9 1831

NoCeM on spool:

Issuer (type)NoticesBad PGPCancelSkipTotal
robot@pasdenom.info (spam)20202
robot@pasdenom.info (spam2)54007474
i2pn2-nocem@i2pn2.org (rmp)4001010
i2pn2-nocem@i2pn2.org (multipost)60066
robot@pasdenom.info (spam4)30044
robot@pasdenom.info (spam3)30033
TOTAL: 672029799

Miscellaneous innd statistics [Top 10]:

EventServerNumber
Including strange strings
nntp.comgw.net 26
endofthelinebbs-out.news.weretis.net 15
usenet.blueworldhosting.com 3
newsfeed.bofh.team 2
endofthelinebbs.peers.news.panix.com 2
peering.usenet.ovh 1
usenet.network 1
i2pn.org 1
news-out.tcpreset.net 1
TOTAL: 9 52
TOTAL: 1 52

Outgoing feeds (innfeed) by articles:

ServerOfferedTakenRefusedRejectMissSpool%TookElapsed
1nyheter.lysator.liu.se 6749 2573 3746 154 0 0 38%23:59:54
2news.netfront.net 10416 1804 4644 0 0 5 17%23:59:54
3news.furie.org.uk 3749 758 2100 17 0 0 20%23:59:17
4photonic.trudheim.com 7407 592 4401 1481 0 0 7%23:57:13
5news.dne3.net 5594 491 4881 83 0 0 8%23:59:22
6usenet.goja.nl.eu.org 7388 395 5759 21 0 0 5%23:59:54
7news.nntp4.net 7002 376 5920 9 0 2 5%23:59:54
8endofthelinebbs.peers.news.panix.com 6709 343 6125 1 0 0 5%23:59:54
9peering.usenet.ovh 7183 282 6104 77 0 0 3%23:59:54
10newsfeed.bofh.team 7310 118 6136 0 0 0 1%23:59:54
11news.tcpreset.net 7677 112 5486 780 0 0 1%23:59:54
12news.hispagatos.org 7264 109 6122 57 0 0 1%23:59:01
13news.nk.ca 7983 85 5822 447 0 14 1%23:59:54
14i2pn.org 7121 85 6095 37 0 42 1%23:59:54
15nntp.comgw.net 6694 85 6072 22 0 0 1%23:59:54
16usenet.network 8027 79 6060 37 0 0 0%23:59:42
17news.weretis.net 6818 27 6386 66 0 6 0%23:59:26
18news.tnetconsulting.net 9128 20 6335 116 0 28 0%23:59:24
19news.quux.org 6389 20 5685 298 0 0 0%23:59:34
20newsfeed.xs3.de 8064 19 6166 183 0 0 0%23:59:11
21news.samoylyk.net 8093 16 6196 43 0 26 0%23:59:54
22news.chmurka.net 4065 11 2951 0 0 0 0%23:59:54
23ddt.demos.su 49 11 36 0 0 0 22%04:46:36
24usenet.blueworldhosting.com 6299 5 5511 0 0 0 0%23:59:20
25news.corradoroberto.it 805 4 576 0 0 0 0%22:18:24
26news.bbs.nz 0 0 0 0 0 6473 0%23:59:54
TOTAL: 26 163983 8420 125315 3929 0 6596 5%602:55:06
Outgoing feeds (innfeed) by articles

Outgoing feeds (innfeed) by volume:

ServerAcceptVolRejectVolTotalVolVolume/secVol/ArtElapsed
1news.netfront.net8.4 MB0.0 KB8.4 MB0.1 KB/s4.8 KB23:59:54
2nyheter.lysator.liu.se7.5 MB979.5 KB8.5 MB0.1 KB/s3.2 KB23:59:54
3news.furie.org.uk3.3 MB41.1 KB3.3 MB0.0 KB/s4.4 KB23:59:17
4photonic.trudheim.com2.4 MB3.8 MB6.2 MB0.1 KB/s3.0 KB23:57:13
5endofthelinebbs.peers.news.panix.com1.6 MB1.2 KB1.6 MB0.0 KB/s4.7 KB23:59:54
6news.nntp4.net1.1 MB11.5 KB1.2 MB0.0 KB/s3.1 KB23:59:54
7peering.usenet.ovh1.1 MB263.5 KB1.4 MB0.0 KB/s3.9 KB23:59:54
8news.dne3.net847.2 KB933.1 KB1.7 MB0.0 KB/s3.1 KB23:59:22
9newsfeed.bofh.team820.6 KB0.0 KB820.6 KB0.0 KB/s7.0 KB23:59:54
10usenet.goja.nl.eu.org587.2 KB376.1 KB963.3 KB0.0 KB/s2.3 KB23:59:54
11news.quux.org545.6 KB674.0 KB1.2 MB0.0 KB/s3.8 KB23:59:34
12news.samoylyk.net534.1 KB178.8 KB713.0 KB0.0 KB/s12.1 KB23:59:54
13ddt.demos.su279.1 KB0.0 KB279.1 KB0.0 KB/s25.4 KB04:46:36
14news.tcpreset.net228.7 KB1.7 MB1.9 MB0.0 KB/s2.2 KB23:59:54
15usenet.network220.9 KB89.4 KB310.3 KB0.0 KB/s2.7 KB23:59:42
16news.hispagatos.org218.6 KB763.1 KB981.6 KB0.0 KB/s5.9 KB23:59:01
17news.tnetconsulting.net188.9 KB693.7 KB882.6 KB0.0 KB/s6.5 KB23:59:24
18i2pn.org182.0 KB113.2 KB295.2 KB0.0 KB/s2.4 KB23:59:54
19news.nk.ca176.3 KB1.2 MB1.4 MB0.0 KB/s2.7 KB23:59:54
20nntp.comgw.net136.2 KB673.4 KB809.6 KB0.0 KB/s7.6 KB23:59:54
21news.weretis.net91.9 KB1.5 MB1.6 MB0.0 KB/s17.2 KB23:59:26
22newsfeed.xs3.de52.3 KB896.4 KB948.7 KB0.0 KB/s4.7 KB23:59:11
23news.chmurka.net43.3 KB0.0 KB43.3 KB0.0 KB/s3.9 KB23:59:54
24news.corradoroberto.it15.6 KB0.0 KB15.6 KB0.0 KB/s3.9 KB22:18:24
25usenet.blueworldhosting.com12.9 KB0.0 KB12.9 KB0.0 KB/s2.6 KB23:59:20
26news.bbs.nz0.0 KB0.0 KB0.0 KB0.0 KB/s023:59:54
TOTAL: 2630.5 MB14.7 MB45.1 MB0.0 KB/s3.7 KB602:55:06
Outgoing feeds (innfeed) by volume

NNRP readership statistics [Top 100]:

SystemConnArtsSizeGroupsPostRejElapsed
1news.nntp4.net2786 00.0 KB 0 0 000:21:52
22a0e:73c2:8000:802c::22782 00.0 KB 0 0 000:20:44
3167.94.145.108 3 00.0 KB 0 0 000:00:03
413.89.125.255 1 00.0 KB 0 0 000:00:09
5147.185.132.213 1 00.0 KB 0 0 000:00:02
6194.165.16.167 1 00.0 KB 0 0 000:00:00
7194.187.176.86 1 00.0 KB 0 0 000:00:05
8198.235.24.204 1 00.0 KB 0 0 000:00:01
920.169.105.14 1 00.0 KB 0 0 000:00:00
1045.227.254.155 1 00.0 KB 0 0 000:00:07
11a1.scanner.modat.io 1 00.0 KB 0 0 000:00:00
12localhost 1 00.0 KB 0 0 000:11:03
TOTAL: 125580 00.0 KB 0 0 000:54:10

NNRP connection statistics (by domain) [Top 100]:

SystemConnArtsSizeGroupsPostRejElapsed
1unresolved2792 00.0 KB 0 0 000:21:14
2*.nntp4.net2786 00.0 KB 0 0 000:21:52
3*.scanner.modat.io 1 00.0 KB 0 0 000:00:00
4*localhost 1 00.0 KB 0 0 000:11:03
TOTAL: 45580 00.0 KB 0 0 000:54:10

NNRP auth users [Top 20]:

UserConn
getlist 1
TOTAL: 1 1

NNRP total resource statistics [Top 20]:

SystemUser(ms)System(ms)Idle(ms)Elapsed
news.nntp4.net 10.373 29.822 0.00000:21:52
2a0e:73c2:8000:802c::2 10.278 29.737 0.00000:20:44
localhost 181.550 373.085 0.07500:11:03
13.89.125.255 0.004 0.009 0.00000:00:09
45.227.254.155 0.007 0.007 0.00000:00:07
194.187.176.86 0.000 0.014 0.00000:00:05
167.94.145.108 0.012 0.042 0.00000:00:03
147.185.132.213 0.004 0.009 0.00000:00:02
198.235.24.204 0.008 0.005 0.00000:00:01
194.165.16.167 0.000 0.013 0.00000:00:00
a1.scanner.modat.io 0.000 0.016 0.00000:00:00
20.169.105.14 0.008 0.008 0.00000:00:00
TOTAL: 12 202.244 432.767 0.07500:54:10

NNRP unrecognized commands (by host) [Top 20]:

SystemConn
a1.scanner.modat.io 5
167.94.145.108 1
194.165.16.167 1
20.169.105.14 1
45.227.254.155 1
TOTAL: 5 9

NNRP unrecognized commands (by command) [Top 20]:

CommandCount
#003 2
Accept-Encoding: gzip 1
Accept: */* 1
EHLO www.censys.io 1
GET / HTTP/1.1 1
Host: 144.172.126.95 1
MGLNDD_144.172.126.95_119 1
User-Agent: Mozilla/5.0 zgrab/0.x 1
TOTAL: 8 9

NNRP client timeouts [Top 20]:

SystemConnPeer
167.94.145.108 1 2
194.165.16.167 1 1
45.227.254.155 1 1
a1.scanner.modat.io 1 1
TOTAL: 4 4 7
innreport from INN 2.8.0 (20250201 prerelease) based on initial work (©) 1996-2001 by Fabien Tassin <fta@sofaraway.org> and enhanced by several contributors since then