File: /home/workshopbrain/tmp/awstats/awstats032023.nap.workshop-mg.com.txt
AWSTATS DATA FILE 7.8 (build 20200416)
# If you remove this file, all statistics for date 202303 will be lost/reset.
# Last config file used to build this data file was /home/workshopbrain/tmp/awstats/awstats.nap.workshop-mg.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 2021
POS_TIME 2694
POS_VISITOR 14399
POS_DAY 15682
POS_DOMAIN 3409
POS_LOGIN 3730
POS_ROBOT 3885
POS_WORMS 4273
POS_EMAILSENDER 4404
POS_EMAILRECEIVER 4547
POS_SESSION 16336
POS_SIDER 16543
POS_FILETYPES 4682
POS_DOWNLOADS 4853
POS_OS 5267
POS_BROWSER 5427
POS_SCREENSIZE 5816
POS_UNKNOWNREFERER 5890
POS_UNKNOWNREFERERBROWSER 6312
POS_ORIGIN 6729
POS_SEREFERRALS 6866
POS_PAGEREFS 7029
POS_SEARCHWORDS 7177
POS_KEYWORDS 7329
POS_MISC 2357
POS_ERRORS 7388
POS_CLUSTER 3586
POS_SIDER_404 7543
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 20230401070600 1 0 16919018241279
FirstTime 20230301104238
LastTime 20230331023856
LastUpdate 20230402051404 1 0 0 0 0
TotalVisits 99
TotalUnique 12
MonthHostsKnown 0
MonthHostsUnknown 41
END_GENERAL
# Misc ID - Pages - Hits - Bandwidth
BEGIN_MISC 10
FlashSupport 0 0 0
TotalMisc 0 0 0
DirectorSupport 0 0 0
QuickTimeSupport 0 0 0
PDFSupport 0 0 0
RealPlayerSupport 0 0 0
JavascriptDisabled 0 0 0
JavaEnabled 0 0 0
WindowsMediaPlayerSupport 0 0 0
AddToFavourites 0 26 0
END_MISC
# Hour - Pages - Hits - Bandwidth - Not viewed Pages - Not viewed Hits - Not viewed Bandwidth
BEGIN_TIME 24
0 31 35 157262 6 8 146441
1 5 8 111571 11 11 73194
2 27 28 15827 3 4 67
3 2 2 0 3 3 23486
4 2 4 73498 3 4 67
5 2 4 209853 2 4 32105
6 11 15 249628 14 19 69763
7 12 12 1598 13 15 906
8 33 39 230468 12 15 101584
9 13 28 50896481 16 21 70192
10 11 13 73868 11 11 28335
11 13 20 26062565 12 14 92405
12 5 8 2418914 6 23 544646
13 3 9 25228643 5 10 178564
14 8 13 124585 8 10 37164
15 12 12 460 13 15 2462
16 6 9 43261 5 8 178812
17 1 8 1904762 1 3 32450
18 3 4 36749 5 5 694
19 4 4 0 364 364 23377333
20 4 5 3026 6 6 0
21 2 2 0 20 22 105293
22 25 26 45893 1 1 0
23 7 9 39775 685 685 23377333
END_TIME
# Domain - Pages - Hits - Bandwidth
# The 25 first Pages must be first (order not required for others)
BEGIN_DOMAIN 8
us 206 253 106944875
au 24 24 18288
jp 4 4 0
gb 4 4 1480
pl 2 5 111845
nl 2 3 3946
sc 0 1 3026
ca 0 23 845227
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 7
Googlebot/ 19 4769 20230328065607 7
YandexBot/ 8 536 20230325042107 8
unknown 3 207 20230311131204 3
no_user_agent 2 73498 20230306141704 0
Go\-http\-client/ 1 69 20230315212459 1
Googlebot\-Image/ 1 3026 20230327092217 0
CFNetwork 1 6683 20230331094901 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 6
html 5 3584 0 0
pdf 11 104684738 0 0
php 229 36576 0 0
png 62 2151365 0 0
xml 8 3320 0 0
jpg 2 1049104 0 0
END_FILETYPES
# Downloads - Hits - Bandwidth
BEGIN_DOWNLOADS 4
/colonysquare/wp-content/uploads/sites/5/2015/07/180416-Restroom-Dumpster-Plan.pdf 5 0 865520
/avalon/wp-content/uploads/sites/2/2016/07/DDCMAvalonPDFr5.pdf 4 0 100016328
/colonysquare/wp-content/uploads/sites/5/2017/09/170920-DDCM-Signage-Diagram.pdf 1 0 1457474
/avalon/wp-content/uploads/sites/2/2015/08/AVALON-COLOR-ELEVATIONS_01-21-2014-TENANTS.pdf 1 0 2345416
END_DOWNLOADS
# OS ID - Hits
BEGIN_OS ID - Hits - Pages 7
ios_iphone 10 0
win7 24 0
macosx15 13 0
win10 36 11
Unknown 183 183
android 3 0
macosx10 48 48
END_OS
# Browser ID - Hits - Pages
BEGIN_BROWSER 17
firefox96 3 3
safari15.2 2 0
chrome85.0.4183.102 4 4
chrome95.0.4638.69 4 0
chrome60.0.3112.90 23 0
firefox110.0 6 0
safari16.1 1 0
Unknown 183 183
firefox111.0 2 0
chrome87.0.4280.88 3 0
chrome110.0.0.0 2 0
safari16.3 20 0
chrome49.0.2623.112 1 0
chrome111.0.0.0 8 0
chrome110.0.5481.153 3 0
chrome39.0.2171.95 48 48
chrome109.0.0.0 4 4
END_BROWSER
# Screen size - Hits
BEGIN_SCREENSIZE 0
END_SCREENSIZE
# Unknown referer OS - Last visit date
BEGIN_UNKNOWNREFERER 6
WordPress/6.1.1;_https://nap.workshop-mg.com/birkdale 20230330095619
GuzzleHttp/7 20230326074623
WordPress/6.1.1;_https://nap.workshop-mg.com 20230331023856
WordPress/6.1.1;_https://nap.workshop-mg.com/avalon 20230329061748
WordPress/6.1.1;_https://nap.workshop-mg.com/colonysquare 20230327110151
python-requests/2.27.1 20230328080555
END_UNKNOWNREFERER
# Unknown referer Browser - Last visit date
BEGIN_UNKNOWNREFERERBROWSER 6
GuzzleHttp/7 20230326074623
WordPress/6.1.1;_https://nap.workshop-mg.com/birkdale 20230330095619
WordPress/6.1.1;_https://nap.workshop-mg.com 20230331023856
WordPress/6.1.1;_https://nap.workshop-mg.com/avalon 20230329061748
python-requests/2.27.1 20230328080555
WordPress/6.1.1;_https://nap.workshop-mg.com/colonysquare 20230327110151
END_UNKNOWNREFERERBROWSER
# Origin - Pages - Hits
BEGIN_ORIGIN 6
From0 65 139
From1 0 0
From2 0 1
From3 0 0
From4 177 177
From5 0 0
END_ORIGIN
# Search engine referers ID - Pages - Hits
BEGIN_SEREFERRALS 1
www_google_com 0 1
END_SEREFERRALS
# External page referers - Pages - Hits
# The 25 first Pages must be first (order not required for others)
BEGIN_PAGEREFS 0
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 7
409 4 11044
302 13 0
404 668 47490576
405 2 84
500 74 49802
301 457 12
400 2 2
END_ERRORS
# URL with 404 errors - Hits - Last URL referrer
BEGIN_SIDER_404 319
/mar.php 2 -
/1h6j5.php 2 -
/about.php 2 -
/assets/images/users/install.php 2 -
/shell20220621.php 2 -
/alexusmailer2.0.php 2 -
/cms.php 2 -
/n.php 2 -
/wp-includes/wp-class.php 2 -
/wsa.php 2 -
/radio.php 2 -
/bk 1 http://www.nap.workshop-mg.com/bk
/good.php 2 -
/sendmail.php 2 -
/autoload_classmap.php 2 -
/wp-admin/x.php 2 -
/media-admin.php 2 -
/ok.php 2 -
/license.php 2 -
/defau1t.php 2 -
/wp-ahmed.php 2 -
/app-ads.txt 1 -
/wp-wso.php 2 -
/wp-SEo.php 2 -
/uploads/contexmini.php 2 -
/FoxWSOv1.php 2 -
/s.php 2 -
/mi.php 2 -
/shell.php 2 -
/alwso.php 2 -
/wp-includes/css/xm.php 2 -
/wp-includes/xxxxxxxxxxxxxxxxxxxxxxxxxxxx.php 2 -
/wp-class.php 2 -
/ws.php 2 -
/error.php 4 -
/Gel4y.php 2 -
/modules/mod_ariimageslidersa/mod_ariimageslidersa.php 2 -
/wp-confirm.php 2 -
/priv8.php 2 -
/tmpuploads.php 2 -
/wp-2019.php 2 -
/kz.php 2 -
/new 1 http://www.nap.workshop-mg.com/new
/ 1 http://nap.workshop-mg.com///
/0.php 2 -
/alfa 2 -
/wp-includes/css/css.php 2 -
/rss.php 2 -
/css/image/css.php 2 -
/wp-includes/IXR/hunt.php 2 -
/srx.php 2 -
/upload.php 2 -
/xx.php 4 -
/xmlrpcs.php 2 -
/m.php 2 -
/11index.php 2 -
/wp-admin/includes/readindex.php 2 -
/blog.php 2 -
/crgrvnkb.php 2 -
/mailer.php 2 -
/c99.php 2 -
/shx.php 2 -
/Gel.php 2 -
/xox.php 2 -
/wp-blog.php 2 -
/it.php 2 -
/b2.php 2 -
/osbxamip.php 2 -
/swm.php 2 -
/utchiha.php 2 -
/backup/in1/resume/priv.php 2 -
/administrator/templates/bluestork/error.php 2 -
/wp-content/fw.php 2 -
/wp-adminsetup-config.php 2 -
/alfacgiapi/utchiha505.php 2 -
/style.php 2 -
/wp-includes/sys.php 2 -
/mari.php 2 -
/7yn.php 2 -
/wp-admin/css/colors/midnight/wp-crons.php 2 -
/fw.php 4 -
/wp-admin.php 2 -
/wp-commentin.php 2 -
/images/cmd.php 2 -
/main 1 http://www.nap.workshop-mg.com/main
/xxx.php 2 -
/wp-includes/rest-api/oldindex.php 2 -
/wp-adminfx.php 2 -
/h.php 2 -
/wp-configer.php 2 -
/wp-admin/includes/xxxxxxxxxxxxxxxxxxxxxxxxxxxx.php 2 -
/backup 1 http://www.nap.workshop-mg.com/backup
/if.php 2 -
/41.php 2 -
/xo.php 2 -
/t.php 2 -
/wp-includes/images/wp-blog.php 2 -
/wp-story.php 2 -
/alexus.php 2 -
/ffmkpcal.php 2 -
/wp-cache.php 2 -
/olu.php 2 -
/xleet.php 2 -
/fx.php 2 -
/adminer.php 2 -
/sindex.php 2 -
/uploads/dst.php 2 -
/.well-known/xxxxxxxxxxxxxxxxxxxxxxxxxxxx.php 2 -
/kiss.php 2 -
/wso112233.php 2 -
/phpinfo.php 2 -
/WSO.php 2 -
/new-index.php 2 -
/fox.php 2 -
/view-source: 2 -
/bc 1 http://www.nap.workshop-mg.com/bc
/!.php 2 -
/8.php 2 -
/wp_wrong_datlib.php 2 -
/87.php 2 -
/images/vuln.php 2 -
/ALFA_DATA/alfacgiapi/perl.alfa 2 -
/admin.php 4 -
/mini.php 4 -
/public/_ignition/health-check/ 4 -
/assets/images/default/moon.php 2 -
/lf.php 2 -
/wp-admin/includes/class-wp-pagebuilders-9LlwKf.php 2 -
/doc.php 2 -
/ff.php 2 -
/administrator/xxxxxxxxxxxxxxxxxxxxxxxxxxxx.php 2 -
/export.php 2 -
/wso1337.php 2 -
/wp-file.php 2 -
/1337.php 2 -
/wp-includes/991176.php 2 -
/nee.php 2 -
/rahma.php 2 -
/sym403.php 2 -
/wp-content/wp-admin.php 2 -
/hello.php 4 -
/wp-admin/radio.php 2 -
/kk.php 2 -
/a.php 2 -
/ne.php 2 -
/alexus-mailer.php 2 -
/Deadcode1975xxxxxxxxxxxxxxxxxxxxxxxxxxxx.php 2 -
/alex.php 2 -
/wp-admin/includes/media-site.php 2 -
/wp-content/uploads/2021/12/fw.php 2 -
/wp-admin/includes/class-wp-media-list-data.php 2 -
/ads.txt 1 -
/wp-includes/customize/class-wp-customize-nav-menu.php 2 -
/wp/rahma.php 2 -
/leaf.php 2 -
/ohayo.php 2 -
/krz.php 2 -
/w.php 4 -
/wp-ad.php 2 -
/wp-content/wso.php 2 -
/cpanel.php 2 -
/MARIJUANA.php 2 -
/bb.php 2 -
/5.php 2 -
/_ignition/health-check/ 4 -
/wp-content/wp-logins.php 2 -
/k.php 2 -
/x.php 4 -
/0z.php 2 -
/v.php 2 -
/1975.php 2 -
/nasgor.php 2 -
/mt/pekok.php 2 -
/1.php 4 -
/d.php 2 -
/alfav4.1-tesla.php 2 -
/xltavrat.php 2 -
/wikindex.php 4 -
/marijuana.php 2 -
/content.php 2 -
/02.php 2 -
/old 1 http://www.nap.workshop-mg.com/old
/root.php 2 -
/anone.php 2 -
/wp-content/uploads/2021/12/up.php 2 -
/wp2.php 2 -
/alfacgiapi/perl.alfa 2 -
/haxor.php 2 -
/g.php 2 -
/old-site/contral.php 2 -
/y.php 2 -
/admin/uploads/vu.php 2 -
/includes/up.php 2 -
/01.php 2 -
/wp.php 4 -
/3index.php 2 -
/wp-includes1index.php 2 -
/indeeex.php 2 -
/wp-info.php 2 -
/alexuse.php 2 -
/jindex.php 2 -
/ups.php 4 -
/wp-admin/css/colors/coffee/fw.php 2 -
/bkv74.php 2 -
/2.php 2 -
/Cpanel.php 2 -
/wp-one.php 2 -
/wi.php 2 -
/404.php 4 -
/.well-known/pki-validation/admin.php 2 -
/uploadsxleet.php 2 -
/wp-includes/radio.php 2 -
/b.php 2 -
/send.php 2 -
/baindex.php 2 -
/wp-uploads.php 2 -
/axx.php 2 -
/wp-content/radio.php 2 -
/wp-admin/includes/tablepress_controllers.php 2 -
/wordpress 1 http://www.nap.workshop-mg.com/wordpress
/wp-admin/maint/about.php 2 -
/owl.php 2 -
/gvqqpinc.php 2 -
/edit-form.php 2 -
/up.php 4 -
/admin/uploads/alfa.php 2 -
/lol.php 2 -
/0byte.php 2 -
/plugins/ajs.delivery.php 2 -
/wp-content/plugins/randominit.php 2 -
/13.php 2 -
/wp-admin/includes/class-wp-pagebuilders-2myLvx.php 2 -
/100.php 2 -
/z.php 2 -
/utchiha505.php 2 -
/new.php 2 -
/1index.php 2 -
/data.php 2 -
/wp-admin/js/xxxxxxxxxxxxxxxxxxxxxxxxxxxx.php 2 -
/r.php 2 -
/kindex.php 2 -
/xindex.php 2 -
/wp-content/plugins/config.bak.php 2 -
/wp-content/uploads/readindex.php 2 -
/q.php 2 -
/wp-22.php 2 -
/nf_tracking.php 2 -
/i.php 4 -
/alf.php 2 -
/wp-adminxleet.php 2 -
/c.php 2 -
/misc/ajax.js 3 -
/XxX.php 2 -
/wso1.php 2 -
/wp-reset.php 2 -
/old-index.php 2 -
/sym.php 2 -
/wp-admin/includes/block-line.php 2 -
/wp-adminpriv8.php 2 -
/wp-includes/class-wp-block-type-ajax-response.php 2 -
/wp-admin/includes/mar.php 2 -
/.fk.php 2 -
/sitemap.xml 1 -
/dr.php 2 -
/wp-content/kro.php 2 -
/wp-admin/css/ 1 binance.com
/gank.php.PhP 2 -
/leafmailer2.8.php 2 -
/indoxploit.php 2 -
/Uploader.php 2 -
/sh3ll.php 2 -
/small.php 2 -
/FoxWSO.php 2 -
/p.php 4 -
/Sendemail.php 2 -
/info.php 2 -
/wp-0.php 2 -
/u.php 2 -
/wso2.php 2 -
/wp-contentfw.php 2 -
/wp 1 http://www.nap.workshop-mg.com/wp
/wp-content/about.php 2 -
/byp.php 2 -
/kn.php 2 -
/wp-admin/fw.php 2 -
/plugins/auto/thickbox2/pat.php 2 -
/xleet-shell.php 2 -
/bypass.php 2 -
/j.php 2 -
/123.php 2 -
/wp-includes/widgets/class-wp-widget-tags.php 2 -
/2index.php 2 -
/o.php 2 -
/3.php 2 -
/fa.php 2 -
/l.php 2 -
/vita.php 2 -
/e.php 2 -
/wp-admin/includes/edit-tag-menu.php 2 -
/olux.php 2 -
/wso.php 4 -
/wp-content/wp.php 2 -
/403.php 4 -
/stindex.php 2 -
/lufix.php 2 -
/cp.php 2 -
/www.php 2 -
/777.php 2 -
/vuln.php 2 -
/f.php 2 -
/wp-setups.php 2 -
/mrjn.php 2 -
/wp-content/uploads/small.php 2 -
/.well-known/pki-validation/utchiha505.php 2 -
/4price.php 2 -
/alfa.php 4 -
/wp-adminrss.php 2 -
/modules/mod_araticlws/mod_araticlws.php 2 -
/file.php 2 -
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 41
107.180.56.143 177 177 0 20230331023856
137.184.16.99 24 24 18288 20230315000809
139.59.255.172 24 24 18288 20230331022759
147.78.47.249 4 4 1480 20230330103450
43.130.123.155 4 4 0 20230309194204
137.184.25.11 2 2 920 20230314164156
188.166.255.78 2 2 920 20230328080555
162.241.120.248 1 1 662 20230304001515
184.171.244.231 1 1 662 20230311012826
72.167.51.34 1 1 662 20230328010856
46.248.186.152 1 1 852 20230302070522
46.248.185.95 1 1 746 20230326074623
104.248.204.195 0 2 6052
173.198.53.234 0 2 1810243
107.117.176.80 0 3 538801
192.190.140.37 0 4 187812
209.97.152.248 0 1 3026
79.185.154.140 0 1 36749
73.237.94.81 0 1 25004082
216.200.151.10 0 2 27349498
188.166.26.88 0 1 3026
174.87.52.172 0 5 64453
50.251.185.233 0 1 25004082
107.117.176.12 0 3 538801
154.89.5.45 0 1 3026
69.132.83.209 0 2 73498
104.28.77.52 0 1 10765
72.107.9.100 0 2 73498
99.153.32.104 0 3 51087
37.225.66.132 0 1 36749
23.244.75.98 0 1 36749
73.237.199.135 0 1 173104
204.101.161.19 0 23 845227
104.171.87.118 0 3 51087
104.28.79.52 0 2 41312
208.78.189.66 0 2 346208
73.246.70.54 0 2 73498
63.117.14.68 0 1 25004082
108.77.166.25 0 2 346208
76.145.236.68 0 1 135735
188.147.12.130 0 1 36749
END_VISITOR
# Date - Pages - Hits - Bandwidth - Visits
BEGIN_DAY 28
20230301 5 14 340501 2
20230302 5 6 37601 3
20230303 2 5 76524 2
20230304 4 8 1850680 4
20230305 6 7 3026 4
20230306 8 16 294362 6
20230307 9 26 566563 5
20230308 4 4 0 3
20230309 6 6 0 4
20230310 3 5 209853 2
20230311 4 4 662 4
20230313 4 4 0 3
20230314 40 43 549235 9
20230315 28 29 12170 5
20230316 1 2 173104 1
20230317 2 3 173104 1
20230320 4 7 538801 2
20230321 9 10 6683 7
20230322 4 6 40145 3
20230323 4 5 36749 3
20230324 7 9 346208 2
20230325 4 4 0 4
20230326 3 3 746 2
20230327 7 9 50008164 4
20230328 10 10 1582 6
20230329 30 30 9144 4
20230330 4 11 52541762 2
20230331 25 31 111318 2
END_DAY
# Session range - Number of visits
BEGIN_SESSION 7
1h+ 1
30mn-1h 14
2mn-5mn 1
5mn-15mn 2
30s-2mn 2
15mn-30mn 4
0s-30s 75
END_SESSION
# URL - Pages - Bandwidth - Entry - Exit
# The 25 first Pages must be first (order not required for others)
BEGIN_SIDER 22
/wp-cron.php 135 0 65 67
/birkdale/wp-cron.php 19 0 7 6
/colonysquare/wp-cron.php 13 0 5 5
/avalon/wp-cron.php 10 0 4 3
/wp-includes/wlwmanifest.xml 8 3320 7 7
/test/wp-admin/install.php 4 3048 0 0
/cms/wp-admin/install.php 4 3048 0 0
/blog/wp-admin/install.php 4 3048 0 0
/backup/wp-admin/install.php 4 3048 0 0
/wordpress/wp-admin/install.php 4 3048 0 0
/site/wp-admin/install.php 4 3048 0 0
/old/wp-admin/install.php 4 3048 0 0
/new/wp-admin/install.php 4 3048 0 0
/wp/wp-admin/install.php 4 3048 0 0
/wp-admin/install.php 4 3048 4 0
/oldsite/wp-admin/install.php 4 3048 0 4
/web/wp-admin/install.php 4 3048 0 0
//wp-json/wp/v2/users/ 3 1986 3 1
/wp-content/index.php 2 0 0 2
/wp-load.php 2 0 2 0
/comments/feed/ 1 746 1 1
/feed/ 1 852 1 1
END_SIDER