jannisjulius.de:80 176.126.83.211 - - \[15/Sep/2019:11:24:32 +0200\] "POST /xmlrpc.php HTTP/1.0" 301 497 "-" "Mozilla/5.0 \(iPad\; CPU OS 12_0 like Mac OS X\) AppleWebKit/605.1.15 \(KHTML, like Gecko\) Version/12.0 Mobile/15E148 Safari/604.1"
jannisjulius.de 176.126.83.211 \[15/Sep/2019:11:24:33 +0200\] "POST /xmlrpc.php HTTP/1.0" 200 3777 "-" "Mozilla/5.0 \(iPad\; CPU OS 12_0 like Mac OS X\) AppleWebKit/605.1.15 \(KHTML, like Gecko\) Version/12.0 Mobile/15E148 Safari/604.1"

Feb 28 15:29:10 vpn sshd[6574]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.126.83.46
Feb 28 15:29:11 vpn sshd[6574]: Failed password for invalid user stephanie from 176.126.83.46 port 38970 ssh2
Feb 28 15:31:26 vpn sshd[6579]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.126.83.46

\[2019-07-14 05:34:41\] NOTICE\[11540\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '176.126.83.22:1394' \(callid: 595759315-1493934283-1049184539\) - Failed to authenticate
\[2019-07-14 05:34:41\] SECURITY\[3671\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-07-14T05:34:41.117+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="595759315-1493934283-1049184539",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/176.126.83.22/1394",Challenge="1563075281/332ff28edd356fc2b9b4278d2778e39a",Response="b6d5908eff84d24d14147b21bfcc7f3b",ExpectedResponse=""
\[2019-07-14 05:34:41\] NOTICE\[5109\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '176.126.83.22:1394' \(callid: 595759315-1493934283-1049184539\) - Failed to authenticate
\[2019-07-14 05:34:41\] SECURITY\[3671\] res_security_log.c: SecurityEvent="ChallengeResponseF

\[2019-07-12 00:11:31\] NOTICE\[9010\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '176.126.83.22:1229' \(callid: 647673507-1152647609-1769992082\) - Failed to authenticate
\[2019-07-12 00:11:31\] SECURITY\[3671\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-07-12T00:11:31.212+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="647673507-1152647609-1769992082",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/176.126.83.22/1229",Challenge="1562883091/bf2a62b835046c9efe3b39458b2120e5",Response="a09e4623f7a621f032ed2c9abe7a43e7",ExpectedResponse=""
\[2019-07-12 00:11:31\] NOTICE\[11540\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '176.126.83.22:1229' \(callid: 647673507-1152647609-1769992082\) - Failed to authenticate
\[2019-07-12 00:11:31\] SECURITY\[3671\] res_security_log.c: SecurityEvent="ChallengeResponseFai

\[2019-07-11 06:00:39\] NOTICE\[5109\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '176.126.83.22:1342' \(callid: 594772244-171188596-661381393\) - Failed to authenticate
\[2019-07-11 06:00:39\] SECURITY\[3671\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-07-11T06:00:39.763+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="594772244-171188596-661381393",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/176.126.83.22/1342",Challenge="1562817639/e7b7e9042af6eb6ff5840551db30d5ff",Response="32acb31c2ac944806a34fb7446c46292",ExpectedResponse=""
\[2019-07-11 06:00:39\] NOTICE\[9010\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '176.126.83.22:1342' \(callid: 594772244-171188596-661381393\) - Failed to authenticate
\[2019-07-11 06:00:39\] SECURITY\[3671\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",

\[2019-07-10 13:50:46\] NOTICE\[13863\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '176.126.83.22:1327' \(callid: 1702981604-857366556-1875178183\) - Failed to authenticate
\[2019-07-10 13:50:46\] SECURITY\[3671\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-07-10T13:50:46.830+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="1702981604-857366556-1875178183",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/176.126.83.22/1327",Challenge="1562759446/75f320067279f8dccd9f9d709129931a",Response="d73e0bff1f094713ee2a0c6e5f2e7035",ExpectedResponse=""
\[2019-07-10 13:50:46\] NOTICE\[13863\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '176.126.83.22:1327' \(callid: 1702981604-857366556-1875178183\) - Failed to authenticate
\[2019-07-10 13:50:46\] SECURITY\[3671\] res_security_log.c: SecurityEvent="ChallengeResponse

\[2019-07-09 17:41:27\] NOTICE\[6698\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '176.126.83.22:1257' \(callid: 914379366-582010081-697467353\) - Failed to authenticate
\[2019-07-09 17:41:27\] SECURITY\[3671\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-07-09T17:41:27.293+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="914379366-582010081-697467353",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/176.126.83.22/1257",Challenge="1562686887/b663ac3104ef5213cf4f61c9031b1db9",Response="809f57dadf7941ed7b2dfb9931eb661d",ExpectedResponse=""
\[2019-07-09 17:41:27\] NOTICE\[13863\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '176.126.83.22:1257' \(callid: 914379366-582010081-697467353\) - Failed to authenticate
\[2019-07-09 17:41:27\] SECURITY\[3671\] res_security_log.c: SecurityEvent="ChallengeResponseFaile

Oct  7 22:54:19 v22019058497090703 sshd[27421]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.38.184.10
Oct  7 22:54:20 v22019058497090703 sshd[27421]: Failed password for invalid user 123Love from 54.38.184.10 port 50936 ssh2
Oct  7 22:57:48 v22019058497090703 sshd[27711]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.38.184.10
...

Oct  7 21:43:41 riskplan-s sshd[14537]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=179-242-164-171.3g.claro.net.br  user=r.r
Oct  7 21:43:43 riskplan-s sshd[14537]: Failed password for r.r from 179.242.164.171 port 43759 ssh2
Oct  7 21:43:44 riskplan-s sshd[14537]: Received disconnect from 179.242.164.171: 11: Bye Bye [preauth]
Oct  7 21:43:46 riskplan-s sshd[14539]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=179-242-164-171.3g.claro.net.br  user=r.r
Oct  7 21:43:48 riskplan-s sshd[14539]: Failed password for r.r from 179.242.164.171 port 25538 ssh2
Oct  7 21:43:48 riskplan-s sshd[14539]: Received disconnect from 179.242.164.171: 11: Bye Bye [preauth]
Oct  7 21:43:50 riskplan-s sshd[14541]: Invalid user ubnt from 179.242.164.171
Oct  7 21:43:50 riskplan-s sshd[14541]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=179-242-164-171.3g.claro.ne........
-------------------------------

Lines containing failures of 201.95.82.97
Oct  7 04:21:26 shared01 sshd[15111]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.95.82.97  user=r.r
Oct  7 04:21:29 shared01 sshd[15111]: Failed password for r.r from 201.95.82.97 port 49894 ssh2
Oct  7 04:21:29 shared01 sshd[15111]: Received disconnect from 201.95.82.97 port 49894:11: Bye Bye [preauth]
Oct  7 04:21:29 shared01 sshd[15111]: Disconnected from authenticating user r.r 201.95.82.97 port 49894 [preauth]
Oct  7 04:32:25 shared01 sshd[18157]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.95.82.97  user=r.r
Oct  7 04:32:27 shared01 sshd[18157]: Failed password for r.r from 201.95.82.97 port 52888 ssh2
Oct  7 04:32:28 shared01 sshd[18157]: Received disconnect from 201.95.82.97 port 52888:11: Bye Bye [preauth]
Oct  7 04:32:28 shared01 sshd[18157]: Disconnected from authenticating user r.r 201.95.82.97 port 52888 [preauth]
Oct  7 ........
------------------------------

Oct  7 21:51:57 km20725 sshd\[29284\]: Invalid user a from 162.247.74.204Oct  7 21:52:01 km20725 sshd\[29288\]: Invalid user a1 from 162.247.74.204Oct  7 21:52:03 km20725 sshd\[29288\]: Failed password for invalid user a1 from 162.247.74.204 port 44092 ssh2Oct  7 21:52:05 km20725 sshd\[29288\]: Failed password for invalid user a1 from 162.247.74.204 port 44092 ssh2
...

firewall-block, port(s): 1900/udp

Oct  5 06:31:27 xb3 sshd[20926]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.125.145.58  user=r.r
Oct  5 06:31:29 xb3 sshd[20926]: Failed password for r.r from 203.125.145.58 port 45898 ssh2
Oct  5 06:31:29 xb3 sshd[20926]: Received disconnect from 203.125.145.58: 11: Bye Bye [preauth]
Oct  5 06:36:06 xb3 sshd[21157]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.125.145.58  user=r.r
Oct  5 06:36:08 xb3 sshd[21157]: Failed password for r.r from 203.125.145.58 port 58332 ssh2
Oct  5 06:36:08 xb3 sshd[21157]: Received disconnect from 203.125.145.58: 11: Bye Bye [preauth]
Oct  5 06:40:48 xb3 sshd[21413]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.125.145.58  user=r.r
Oct  5 06:40:50 xb3 sshd[21413]: Failed password for r.r from 203.125.145.58 port 42540 ssh2
Oct  5 06:40:50 xb3 sshd[21413]: Received disconnect from 203.125.145.58: 1........
-------------------------------

IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/2.191.243.163/ 
 IR - 1H : (66)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : IR 
 NAME ASN : ASN12880 
 
 IP : 2.191.243.163 
 
 CIDR : 2.191.0.0/16 
 
 PREFIX COUNT : 276 
 
 UNIQUE IP COUNT : 1035264 
 
 
 WYKRYTE ATAKI Z ASN12880 :  
  1H - 1 
  3H - 2 
  6H - 3 
 12H - 6 
 24H - 13 
 
 DateTime : 2019-10-07 21:51:51 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery

Oct  7 17:01:56 plusreed sshd[19112]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=79.135.245.89  user=root
Oct  7 17:01:59 plusreed sshd[19112]: Failed password for root from 79.135.245.89 port 46226 ssh2
...

Chat Spam

Oct  7 11:36:08 web9 sshd\[28239\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.5.109.211  user=root
Oct  7 11:36:10 web9 sshd\[28239\]: Failed password for root from 186.5.109.211 port 40550 ssh2
Oct  7 11:40:05 web9 sshd\[28838\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.5.109.211  user=root
Oct  7 11:40:07 web9 sshd\[28838\]: Failed password for root from 186.5.109.211 port 60694 ssh2
Oct  7 11:44:04 web9 sshd\[29329\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.5.109.211  user=root

Oct  8 02:52:33 webhost01 sshd[22837]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.77.188.199
Oct  8 02:52:36 webhost01 sshd[22837]: Failed password for invalid user mother from 219.77.188.199 port 53923 ssh2
...

2019-10-07T21:28:09.135854abusebot-6.cloudsearch.cf sshd\[30871\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.36.150.59  user=root

Oct  7 17:29:15 xtremcommunity sshd\[288112\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.47.238.207  user=root
Oct  7 17:29:17 xtremcommunity sshd\[288112\]: Failed password for root from 212.47.238.207 port 58240 ssh2
Oct  7 17:33:33 xtremcommunity sshd\[288246\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.47.238.207  user=root
Oct  7 17:33:35 xtremcommunity sshd\[288246\]: Failed password for root from 212.47.238.207 port 41634 ssh2
Oct  7 17:37:53 xtremcommunity sshd\[288356\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.47.238.207  user=root
...

SSH Brute-Force reported by Fail2Ban

Oct  7 23:08:58 meumeu sshd[767]: Failed password for root from 159.89.165.36 port 34686 ssh2
Oct  7 23:13:28 meumeu sshd[1795]: Failed password for root from 159.89.165.36 port 47028 ssh2
...