File: /home/httpd/html/awstats.bak/awstats082023.gizmotube.com.txt
AWSTATS DATA FILE 7.8 (build 20200416)
# If you remove this file, all statistics for date 202308 will be lost/reset.
# Last config file used to build this data file was /home/httpd/cgi-bin/awstats.gizmotube.com.conf.
# Position (offset in bytes) in this file for beginning of each section for
# direct I/O access. If you made changes somewhere in this file, you should
# also remove completely the MAP section (AWStats will rewrite it at next
# update).
BEGIN_MAP 28
POS_GENERAL 2003
POS_TIME 2684
POS_VISITOR 13193
POS_DAY 13314
POS_DOMAIN 3709
POS_LOGIN 3947
POS_ROBOT 4102
POS_WORMS 4906
POS_EMAILSENDER 5037
POS_EMAILRECEIVER 5180
POS_SESSION 14195
POS_SIDER 14405
POS_FILETYPES 5315
POS_DOWNLOADS 5483
POS_OS 5572
POS_BROWSER 6067
POS_SCREENSIZE 10234
POS_UNKNOWNREFERER 10308
POS_UNKNOWNREFERERBROWSER 11213
POS_ORIGIN 11784
POS_SEREFERRALS 11934
POS_PAGEREFS 12128
POS_SEARCHWORDS 12330
POS_KEYWORDS 12482
POS_MISC 2348
POS_ERRORS 12541
POS_CLUSTER 3803
POS_SIDER_404 12686
END_MAP
# LastLine = Date of last record processed - Last record line number in last log - Last record offset in last log - Last record signature value
# FirstTime = Date of first visit for history file
# LastTime = Date of last visit for history file
# LastUpdate = Date of last update - Nb of parsed records - Nb of parsed old records - Nb of parsed new records - Nb of parsed corrupted - Nb of parsed dropped
# TotalVisits = Number of visits
# TotalUnique = Number of unique visitors
# MonthHostsKnown = Number of hosts known
# MonthHostsUnKnown = Number of hosts unknown
BEGIN_GENERAL 8
LastLine 20230901000027 135 26548 9578345496116
FirstTime 20230801001834
LastTime 20230831235018
LastUpdate 20230901040204 135 0 134 0 0
TotalVisits 218
TotalUnique 1
MonthHostsKnown 0
MonthHostsUnknown 1
END_GENERAL
# Misc ID - Pages - Hits - Bandwidth
BEGIN_MISC 10
QuickTimeSupport 0 0 0
JavaEnabled 0 0 0
JavascriptDisabled 0 0 0
PDFSupport 0 0 0
WindowsMediaPlayerSupport 0 0 0
AddToFavourites 0 0 0
RealPlayerSupport 0 0 0
TotalMisc 0 0 0
DirectorSupport 0 0 0
FlashSupport 0 0 0
END_MISC
# Hour - Pages - Hits - Bandwidth - Not viewed Pages - Not viewed Hits - Not viewed Bandwidth
BEGIN_TIME 24
0 8554 8554 28276960 236 258 850526
1 21768 21769 71239055 339 352 1466938
2 16795 16795 55674528 629 637 1490852
3 16895 16896 56275301 321 327 831571
4 17313 17314 57434046 319 331 870845
5 17736 17736 57587473 316 326 723392
6 17628 17628 58198412 3117 3128 9815645
7 17613 17613 57280206 339 352 921798
8 17665 17667 57038694 262 270 1207055
9 14404 14404 48089339 255 258 1080357
10 14643 14644 49187973 328 341 1022900
11 15682 15682 52645979 166 174 664663
12 16052 16052 54266928 205 217 804267
13 16117 16117 53054102 296 311 1708343
14 10749 10751 36552583 294 301 823103
15 179 179 1848354 267 279 1907254
16 1177 1177 5179235 325 340 2180045
17 162 163 1438412 411 424 1998286
18 1292 1293 4957468 239 243 1079615
19 222 222 1242550 324 330 987102
20 204 206 996760 338 349 3011063
21 205 206 1632837 361 372 1614695
22 237 237 2336979 186 204 512177
23 275 276 2316952 541 546 1124041
END_TIME
# Domain - Pages - Hits - Bandwidth
# The 25 first Pages must be first (order not required for others)
BEGIN_DOMAIN 1
ip 243567 243581 814751126
END_DOMAIN
# Cluster ID - Pages - Hits - Bandwidth
BEGIN_CLUSTER 0
END_CLUSTER
# Login - Pages - Hits - Bandwidth - Last visit
# The 10 first Pages must be first (order not required for others)
BEGIN_LOGIN 0
END_LOGIN
# Robot ID - Hits - Bandwidth - Last visit - Hits on robots.txt
# The 25 first Hits must be first (order not required for others)
BEGIN_ROBOT 17
2345Explorer/ 2683 8668683 20230804065237 0
bot[\s_+:,\.\;\/\\-] 506 11435915 20230831235339 39
bingbot/ 105 4837649 20230831090303 15
Googlebot/ 103 2699822 20230829092754 23
unknown 50 1176 20230831004233 50
Go\-http\-client/ 49 1479444 20230823050753 0
zoominfobot 47 1927218 20230829033746 11
crawl 34 811890 20230811174316 3
no_user_agent 19 1133997 20230828091712 0
Mail\.RU_Bot/ 13 478402 20230822124027 8
(firefox/)([0-9]\.|[0-1][0]\.) 8 765136 20230829100926 0
linkchecker 8 765136 20230829100925 0
Applebot/ 8 118410 20230822161738 2
360Spider 6 573852 20230828053319 0
survey 1 95642 20230805215518 0
curl 1 2 20230823125938 0
scanner 1 95642 20230824182517 0
END_ROBOT
# Worm ID - Hits - Bandwidth - Last visit
# The 5 first Hits must be first (order not required for others)
BEGIN_WORMS 0
END_WORMS
# EMail - Hits - Bandwidth - Last visit
# The 20 first Hits must be first (order not required for others)
BEGIN_EMAILSENDER 0
END_EMAILSENDER
# EMail - Hits - Bandwidth - Last visit
# The 20 first hits must be first (order not required for others)
BEGIN_EMAILRECEIVER 0
END_EMAILRECEIVER
# Files type - Hits - Bandwidth - Bandwidth without compression - Bandwidth after compression
BEGIN_FILETYPES 5
php 242923 781254392 0 0
html 533 25645301 0 0
Unknown 108 7736881 0 0
txt 14 18060 0 0
swf 3 96492 0 0
END_FILETYPES
# Downloads - Hits - Bandwidth
BEGIN_DOWNLOADS 1
//wp-includes/ID3/license.txt 14 0 18060
END_DOWNLOADS
# OS ID - Hits
BEGIN_OS ID - Hits - Pages 29
androidpie 3 3
macosx11 1 1
macosx6 4 4
androidnougat 18 18
winlong 19 19
winxp 150 150
ios_iphone 19 19
win2000 1 1
android 14 14
winvista 34 34
linuxgentoo 2 2
win8 94 94
macosx9 43 43
ios_ipad 2 2
macosx7 5 5
androidoreo 8 8
macosx15 64 64
macosx14 2 2
linuxubuntu 2505 2505
androidmarshmallow 2 2
linux 801 801
win7 425 425
macosx 22 22
android10 5 5
macosx10 2 2
win8.1 96 96
Unknown 684 684
win10 238548 238534
macosx8 8 8
END_OS
# Browser ID - Hits - Pages
BEGIN_BROWSER 198
firefox28.0 1 1
firefox66.0 2 2
chrome52.0.2743.116 7 7
chrome80.0.3987.163 4 4
chrome95.0.4638.69 14 0
chrome32.0.1700.72 2 2
chrome34.0.1847.137 30 30
firefox44.0 2 2
chrome88.0.4240.193 238087 238087
chrome28.0.1467.0 30 30
chrome79.4.4 2 2
firefox102.0 19 19
safari15.4 3 3
chrome29.0.1547.62 60 60
chrome85.0.4183.121 2 2
chrome31.0.1650.57 6 6
firefox114.0 1 1
firefox98.0 2 2
chrome31.0.1650.63 11 11
firefox49.0 2 2
msie11 1 1
safari7.0.1 2 2
firefox73.0 1 1
chrome103.0.5060.53 3 3
msie7.0 1 1
chrome91.0.4472.114 5 5
opera84.0.4316.14 1 1
msie5.01 1 1
firefox111.0 25 25
firefox77.0 2 2
chrome100.0.4896.60 4 4
chrome62.0.3202.94 9 9
chrome32.0.1700.107 3 3
chrome51.0.2704.103 4 4
firefox68.0 3 3
firefox90.0 2 2
firefox33.0 2 2
firefox25.0 6 6
chrome104.0.0.0 3 3
netscape5.0 25 25
chrome78.0.3904.70 8 8
chrome103.0.5060.66 6 6
chrome46.0.2490.86 14 14
chrome35.0.1916.47 30 30
firefox87.0 1 1
safari5.1.9 1 1
safari6.1.1 4 4
firefox93.0 1 1
firefox36.0 1 1
safari6.1 2 2
safari 2 2
chrome67.0.3396.87 6 6
safari11.0 2 2
chrome41.0.2225.0 30 30
chrome48.0.2564.116 11 11
firefox52.0 3 3
chrome86.0.4240.193 10 10
chrome36.0.1985.125 8 8
firefox24.0 1 1
firefox63.0 4 4
chrome61.0.3163.100 8 8
firefox62.0 2485 2485
chrome103.0.5060.71 2 2
chrome34.0.1847.116 67 67
msie9.0 3 3
safari13.0.3 4 4
chrome57 3 3
chrome114.0.0.0 167 167
chrome70.0.3538.67 15 15
chrome111.0.0.0 4 4
chrome73.0.3683.75 4 4
chrome59.0.3071.115 8 8
chrome96.0.4664.110 4 4
safari15.6.1 1 1
firefox84.0 1 1
chrome53.0.2785.143 7 7
chrome102.0.0.0 2 2
chrome110.0.0.0 2 2
chrome109.0.0.0 5 5
firefox67.0 1 1
firefox88.0 1 1
chrome51.0.2704.106 7 7
safari16.0 4 4
firefox113.0 22 22
chrome89.0.4389.90 1 1
chrome105.0.0.0 22 22
firefox51.0 1 1
chrome102.0.5005.63 1 1
chrome103.0.5060.114 3 3
chrome64.0.3282.140 6 6
firefox57.0 2 2
firefox74.0 1 1
firefox26.0 11 11
chrome5.0.375.99 16 16
chrome40.0.2214.111 1 1
chrome81.0.4044.113 1 1
chrome39.0.2171.95 2 2
chrome38.0.2125.111 5 5
opera89.0.4447.51 40 40
chrome79.0.3945.117 7 7
chrome58.0.3029.110 9 9
chrome83.0.4103.97 37 37
safari14.1.1 1 1
chrome109.0.3497.81 1 1
firefox70.0 1 1
chrome63.0.3239.84 11 11
chrome77.0.3865.120 6 6
chrome64.0.3282.167 8 8
chrome89.0.4389.114 2 2
firefox43.0 2 2
firefox59.0 1 1
chrome111.0.5563.64 1 1
opera101.0.0.0 2 2
chrome79.0.3945.130 38 38
chrome60.0.3112.101 6 6
firefox41.0 1 1
chrome62.0.3202.89 8 8
safari13.1.1 2 2
chrome70.0.3538.102 5 5
chrome49.0.2623.112 10 10
chrome108.0.0.0 2 2
chrome65.0.3325.181 16 16
firefox99.0 1 1
chrome41.0.2224.3 30 30
chrome55.0.2883.87 11 11
firefox48.0 3 3
firefox53.0 1 1
chrome32.0.1700.68 1 1
chrome80.0.3987.162 1 1
chrome66.0.3359.117 12 12
chrome68.0.3440.106 2 2
chrome63.0.3239.132 11 11
chrome60.0.3112.107 18 18
safari16.3 1 1
chrome81.0.4044.122 5 5
firefox47.0 2 2
firefox78.0 2 2
chrome60.0.3112.113 11 11
firefox45.0 7 7
chrome46.0.2490.80 19 19
firefox115.0 2 2
chrome78.0.3904.97 6 6
mozilla 17 17
chrome47.0.2526.106 27 27
firefox92.0 1 1
chrome57.0.2987.133 13 13
firefox80.0 2 2
chrome29.0.1547.2 30 30
firefox71.0 2 2
chrome87.0.4280.88 19 19
chrome12.0.742.91 1 1
chrome56.0.2924.87 16 16
chrome28.0.1468.0 30 30
firefox31.0 3 3
firefox95.0 624 624
chrome80.0.3987.106 5 5
chrome103.0.0.0 17 17
chrome41.0.2272.101 5 5
chrome47.0.2526.111 16 16
firefox94.0 1 1
safari13.0.4 1 1
chrome74.0.3729.169 22 22
chrome104.0.5112.101 1 1
chrome106.0.0.0 23 23
firefox27.0 4 4
Unknown 642 642
chrome94.0.4606.81 3 3
chrome72.0.3626.109 7 7
chrome70.0.3538.77 6 6
chrome77.0.3865.90 9 9
firefox89.0 2 2
safari10.0 12 12
firefox91.0 2 2
chrome73.0.3683.86 17 17
chrome78.0.3904.108 1 1
chrome95.0.4638.54 1 1
chrome36.0.1985.67 29 29
firefox58.0 2 2
chrome54.0.2840.99 4 4
chrome41.0.2227.0 32 32
firefox46.0 1 1
chrome27.0.1500.55 30 30
chrome115.0.0.0 14 14
chrome113.0.0.0 1 1
chrome80.0.3987.149 7 7
chrome79.0.3945.88 9 9
chrome35.0.2117.157 30 30
msie11.0 5 5
chrome67.0.3396.99 9 9
chrome89.0.4389.82 1 1
firefox81.0 1 1
chrome48.0.2564.109 5 5
chrome115.0.5790.114 1 1
chrome108.0.5359.125 5 5
chrome83.0.4103.106 1 1
chrome80.0.3987.132 11 11
firefox96.0 1 1
chrome79.8.2 2 2
END_BROWSER
# Screen size - Hits
BEGIN_SCREENSIZE 0
END_SCREENSIZE
# Unknown referer OS - Last visit date
BEGIN_UNKNOWNREFERER 11
Mozilla/5.0_(compatible;_InternetMeasurement/1.0;__https://internet-measurement.com/) 20230806000042
ALittle_Client 20230812140522
Mozilla/5.0_(compatible;_Example3/1.0;__https://www.example3.com/domain/gizmotube.com) 20230827043340
Mozilla/5.0_(compatible) 20230822031827
python-requests/2.31.0 20230809210823
WordPress/3.6.1;_http://www.gizmotube.com 20230831235017
Mozilla/5.0 20230828004814
python-requests/2.27.1 20230815174647
Expanse,_a_Palo_Alto_Networks_company,_searches_across_the_global_IPv4_space_multiple_times_per_day_to_identify_customers'_presences_on_the_Internet._If_you_would_like_to_be_excluded_from_our_scans,_please_send_IP_addresses/domains_to:_scaninfo@paloaltonetworks.com 20230829163846
Mozilla/5.0_(compatible;_Dataprovider.com) 20230816121300
Python/3.11_aiohttp/3.8.4 20230831171617
END_UNKNOWNREFERER
# Unknown referer Browser - Last visit date
BEGIN_UNKNOWNREFERERBROWSER 6
ALittle_Client 20230812140522
python-requests/2.27.1 20230815174647
Expanse,_a_Palo_Alto_Networks_company,_searches_across_the_global_IPv4_space_multiple_times_per_day_to_identify_customers'_presences_on_the_Internet._If_you_would_like_to_be_excluded_from_our_scans,_please_send_IP_addresses/domains_to:_scaninfo@paloaltonetworks.com 20230829163846
Python/3.11_aiohttp/3.8.4 20230831171617
python-requests/2.31.0 20230809210823
WordPress/3.6.1;_http://www.gizmotube.com 20230831235017
END_UNKNOWNREFERERBROWSER
# Origin - Pages - Hits
BEGIN_ORIGIN 6
From0 5009 5023
From1 12 12
From2 10 10
From3 7 7
From4 238529 238529
From5 0 0
END_ORIGIN
# Search engine referers ID - Pages - Hits
BEGIN_SEREFERRALS 4
youtube 1 1
baidu 7 7
so_com 1 1
www_bing_com 1 1
END_SEREFERRALS
# External page referers - Pages - Hits
# The 25 first Pages must be first (order not required for others)
BEGIN_PAGEREFS 2
http://simplesite.com 5 5
http://74.206.190.66:80 2 2
END_PAGEREFS
# Search keyphrases - Number of search
# The 10 first number of search must be first (order not required for others)
BEGIN_SEARCHWORDS 0
END_SEARCHWORDS
# Search keywords - Number of search
# The 25 first number of search must be first (order not required for others)
BEGIN_KEYWORDS 0
END_KEYWORDS
# Errors - Hits - Bandwidth
BEGIN_ERRORS 5
302 6203 1680705
500 9 13826
406 4 1292
404 148 1110768
301 664 1926
END_ERRORS
# URL with 404 errors - Hits - Last URL referrer
BEGIN_SIDER_404 6
/index.php/doc.php 1 -
/index.php/404.php 1 -
/index.php/jk 1 www.google.com
/ 143 http://www.gizmotube.com///
/index.php/wp-content/themes/sketch/wp-telemetry.php 1 -
/index.php/markonmini.php 1 -
END_SIDER_404
# Host - Pages - Hits - Bandwidth - Last visit date - [Start date of last visit] - [Last page of last visit]
# [Start date of last visit] and [Last page of last visit] are saved only if session is not finished
# The 25 first Hits must be first (order not required for others)
BEGIN_VISITOR 1
127.0.0.1 243567 243581 814751126 20230831235018
END_VISITOR
# Date - Pages - Hits - Bandwidth - Visits
BEGIN_DAY 31
20230801 5365 5365 17811701 1
20230802 85 86 582292 2
20230803 139 140 1902010 6
20230804 35 35 1081995 10
20230805 59 59 269384 12
20230806 24 24 714090 12
20230807 80 80 1263450 11
20230808 98 98 2538073 11
20230809 135 136 1643691 12
20230810 288 290 1943278 3
20230811 119 120 2094067 8
20230812 33 33 590687 11
20230813 100 100 1667785 7
20230814 1096 1097 4922334 6
20230815 96 97 1710710 10
20230816 1094 1094 4671432 5
20230817 114 114 557626 3
20230818 2311 2312 6691513 1
20230819 281 281 1803351 8
20230820 52 52 919989 6
20230821 72 74 1008977 10
20230822 119 119 2303161 9
20230823 230844 230844 746523342 2
20230824 41 41 477465 7
20230825 71 71 1230326 10
20230826 35 35 525215 8
20230827 314 314 2199021 8
20230828 167 168 2048792 3
20230829 137 138 1456184 1
20230830 89 89 668117 7
20230831 74 75 931068 8
END_DAY
# Session range - Number of visits
BEGIN_SESSION 7
1h+ 69
5mn-15mn 12
30s-2mn 2
15mn-30mn 15
2mn-5mn 2
0s-30s 69
30mn-1h 49
END_SESSION
# URL - Pages - Bandwidth - Entry - Exit
# The 25 first Pages must be first (order not required for others)
BEGIN_SIDER 80
//wp-login.php 238081 769183968 0 0
/wp-login.php 4131 11795087 10 44
/wp-cron.php 630 1260 203 104
/ 238 21652358 1 39
/wp-content/plugins/wp-postratings/postratings-js.php 56 269920 0 5
/index.php/author/admin 36 3444660 0 3
/index.php/anal-sex/hardcore-anal-tubehardcore-anal-tube.html 27 361461 0 3
/index.php/category/anal-sex 19 1821055 0 1
/index.php/gay-sex/gay-anal-creampie-2.html 18 240352 0 1
/index.php/category/cum-gay 14 864430 0 0
/index.php/category/gay-sex 13 461864 0 0
/index.php/anal-sex/gay-analtube-2.html 12 157402 0 1
/index.php/gay-sex/gay-ass-sex-tube.html 11 144958 0 1
/index.php/anal-sex/first-anal-tube.html 11 146926 0 1
/index.php/anal-sex/gay-analtube.html 11 145988 0 0
/index.php/cum-gay/raw-gay-anal.html 10 132278 0 0
/index.php/anal-sex/gay-anal-cum.html 10 132883 0 0
/index.php/page/2 9 792828 0 2
/wp-content/index.php 9 0 4 2
/index.php/anal-sex/analgaytube-movies.html 9 119079 0 1
/index.php/gay-sex/man-anal-sex.html 8 106911 0 1
/index.php/anal-sex/210.html 8 104551 0 0
/index.php/feed 8 129976 0 0
/index.php/anal-sex/gay-anal-sex-tape.html 8 106555 0 1
/index.php/gay-sex/raw-anal-sex.html 8 106095 0 0
/index.php/anal-sex/anal-cumshot-porn.html 6 79622 0 0
/index.php/anal-sex/gay-anal-sex-tube.html 1 13361 0 0
/wp-admin/install.php 5 4135 0 0
/index.php/anal-sex/gay-anal-fucking-2.html 1 13370 0 0
/index.php/tag/gaytube 1 51297 0 1
/index.php/anal-sex/anal-beads.html 1 13344 0 0
/index.php/cum-gay/bareback-cum-rain.html 1 17236 0 0
/index.php/cum-gay/anal-cum.html 2 34782 0 0
/index.php/anal-sex/painful-anal-gay-2.html 6 80151 0 0
/index.php/cum-gay/gay-anal-hardcore.html 5 66675 0 0
/index.php/gay-sex/gay-anal-creampie-2.html/feed 3 2481 0 0
/index.php/gay-sex/anal-gay-tube.html 2 26928 0 0
/index.php/anal-sex/raw-anal-tube.html 7 93188 0 0
/index.php/cum-gay/gay-cumshot.html 2 34549 0 0
/index.php/anal-sex/painful-anal.html 1 13331 0 0
/index.php/anal-sex/gay-anal-porn.html 2 34737 0 0
/index.php/cum-gay/gay-anal-sex.html 2 34660 0 0
/index.php/cum-gay/painful-anal-gay.html 2 26757 0 0
/index.php/cum-gay/hardcore-gay-tube.html 1 17446 0 0
/index.php/anal-sex/creampie-anal-sex.html 2 26800 0 0
/wp-content/plugins/index.php 3 0 0 0
/wp-config.php 2 4 0 0
/index.php/anal-sex/gay-anal-creampie.html 1 13321 0 0
/index.php/cum-gay/bareback-shower.html 1 17409 0 0
/index.php/cum-gay/gays-cum.html 1 17304 0 0
/index.php/gay-sex/anal-cum-shot.html 1 13483 0 0
/index.php/anal-sex/anal-cumshot-creampie-tube.html 4 53816 0 0
/wp-content/plugins/flash-video-player/flvplayer.swf 3 96492 0 0
/index.php/anal-sex/first-time-anal.html 2 26786 0 0
/index.php/cum-gay/free-gay-anal-tube.html 1 17124 0 0
/index.php/cum-gay/cock-gay-tube.html 2 34818 0 1
/wp-admin/admin-ajax.php 6 18 0 2
/index.php/anal-sex/anal-fuck.html 1 13386 0 0
/index.php/feed/atom 2 40074 0 0
/index.php/cum-gay/bareback-gay-men.html 1 17278 0 0
/index.php/anal-sex/first-anal.html 1 13258 0 0
/index.php/cum-gay/gay-deep-anal-tube.html 5 66135 0 2
/index.php/tag/bareback 1 51302 0 0
/index.php/anal-sex/anal-ass-action.html 8 104009 0 0
/index.php/cum-gay/loads-of-gay-sperm.html 1 17208 0 0
/index.php/anal-sex/gay-anal-porn-tube.html 1 17227 0 0
/index.php/anal-sex/gay-anal-fucking.html 1 13274 0 0
/index.php/anal-sex/anal-cum-2.html 2 26577 0 0
/index.php/category/anal-sex/page/2 1 25637 0 0
/index.php/anal-sex/gay-anal-cum-tube.html 6 80550 0 0
/index.php/anal-sex/deep-anal.html 7 93295 0 0
/index.php/anal-sex/gay-anal-sex-tube-2.html 6 80033 0 0
/index.php/cum-gay/gay-anal-creampie-3.html 5 66726 0 0
/index.php/anal-sex/anal-gay-sex.html 8 105919 0 0
/index.php/gay-sex/gay-cumshot-tube.html 6 79816 0 1
/index.php/tag/gay 1 51277 0 0
/index.php/anal-sex/anal-destruction.html 6 79994 0 0
/index.php/anal-sex/gay-teen-anal.html 8 106051 0 1
/index.php/anal-sex/bareback-anal-sex.html 7 92901 0 0
/index.php/cum-gay/anal-sex-tube.html 7 92869 0 0
END_SIDER