Tags » Openssh

Attempts to login secure shell

Simple script show attempts login ssh to Linux machine divide by day

output: number of attempts  sorted by day

          May 1
    10 197.45.169.213
      6 106.2.20.70
      6 115.211.155.10
      6 124.205.149.74
      6 169.red-81-33-201.dynamicip.rima-tde.net
      6 170.79.154.253
      6 185.159.131.233
      6 186.130.112.88
      6 186.134.163.92
      6 202.83.111.62
      6 222.142.67.198
      6 222.79.34.236
      6 37-145-115-158.broadband.corbina.ru
      6 40-133-91-177.worldnetrn.com.br
      6 59.63.166.83
      6 5f449612.dynamic.mv.ru
      6 60.184.106.193
      6 60.187.170.139
      6 85.173.204.180
      6 c-bf78e655.038-28-74686e1.cust.bredbandsbolaget.se
      6 cm-171-98-223-57.revip7.asianet.co.th
      6 megaisland.de
      6 pool-71-245-240-55.nycmny.fios.verizon.net
      5 115.226.208.122
      5 119.42.125.21
      5 122.189.198.89
      5 125.121.39.210
      5 177.45.251.183
      5 42.101.135.118
      5 58.19.145.38
      5 94.23.109.246
      1
		May 2
     10 75-145-25-229-washington.hfc.comcastbusiness.net
      8 41.35.215.55
      7 103.41.46.160
      7 186.130.84.205
      6 103.207.0.186
      6 115.196.48.54
      6 115.211.149.247
      6 115.218.63.35
      6 118.193.154.98
      6 119.193.140.158
      6 120.63.128.196
      6 122.189.198.164
      6 122.241.196.161
      6 122.241.60.38
      6 125.119.84.230
      6 125.119.9.220
      6 152.204.14.2
      6 171.15.198.179
      6 171.212.142.218
      6 178.45.229.155
      6 179.41.156.83
      6 181.23.146.54
      6 182.38.0.202
      6 183.156.72.201
      6 183.93.255.144
      6 189.36.240.240
      6 190.214.205.109
      6 190.49.10.81
      6 195.22.126.147
      6 200.175.184.148.dynamic.dialup.gvt.net.br
      6 201.254.134.185
      6 219.139.28.33
      6 80.254.99.14
      6 91.126.231.84
      6 95-37-30-195.dynamic.mts-nn.ru
      6 95.46.123.6
      6 broadband-46-242-84-33.moscow.rt.ru
      6 l37-193-152-58.novotelecom.ru
      6 user-24-214-49-198.knology.net
      5 110.16.84.18
      5 116.54.221.170
      6 122.189.196.153
      6 122.190.253.187
      6 122.190.253.228
      6 122-57-126-193.jetstream.xtra.co.nz
      6 170.81.58.116
      6 177.124.134.85
      6 178.75.114.53
      6 179.37.35.237
      6 179.39.18.106
      6 181.113.211.146
      6 181.211.177.167
      6 181.23.36.11
      6 183.94.61.105
      6 190.173.171.184
      6 190.49.40.185
      6 210.51.191.26
      6 212.46.205.38
      6 218.78.213.142
      6 222.37.162.174
      6 23.236.86.247
      6 41.219.0.15
      6 c-50-139-202-100.hsd1.sc.comcast.net
      5 113.14.180.102
      5 121.138.61.72
      5 123.121.32.80
      5 181.24.142.91
      5 186.130.65.75
      5 189.225.205.209
      5 190.50.241.209
      5 221.15.5.23
      5 58.20.95.117
      4 61.177.172.52
      3 115.209.202.75
      3 123.125.127.137
      1
      1 185.107.44.28
                May 4
      6 117.212.178.205
                May 5
      6 114.255.78.179
      6 115.193.125.123
      5 93.100.179.243
      2 213.55.184.158
      1 190.235.79.225

Linux

CentOS/Red Hat/Ubuntu Linux SSH Secure Remote Login

01. What is SSH:

SSH, also known as Secure Socket Shell, is a network protocol that provides administrators with a secure way to access a remote computer. 544 more words

Linux

Simple Python Script For SSH Hardening Tips

SSH is my go-to tool for remotely managing servers, VMs, routers, blades… you name it. SSH provides robust security by encrypting the communication between server and client, giving protection against eavesdropping, session hijacking and other man-in-the-middle (MiTM) attacks. 468 more words

RHEL

Hardening SSH on your Ubuntu Server

Secure Shell (SSH) is an amazing cryptographic network protocol, and it undoubtedly helps secure a huge slice of today’s Internet – giving sysadmins robust remote access to their servers, but also so much much more. 805 more words

How-Tos

Fix issue with ssh using dsa

After an update for Mac OSX sierra ssh would not allow access to dsa.

To fix this added the below to .ssh/config which fixed the problem.

Host *
HostkeyAlgorithms +ssh-dss
PubkeyAcceptedKeyTypes +ssh-dss
Linux

DD-WRT/Optware SSH and "no matching key exchange method found"

Apologies for yet another non-ESP related post, but this is yet another “note to self” which might possibly be of use to others.  It concerns upgrading OpenSSH, only to find that it is now impossible to log in… 1,071 more words

Software

OpenSSH 7.3 on CentOs 6.7

A simple script to upgrade OpneSSH on CentOs 6.7.

To use you can run following command with root user

bash <( curl -s https://gist.githubusercontent.com/faishal/add912b9b4c3899ec26c488a91446a84/raw/e9297f357b35c7da9d1bbd1a401a5c38434b068b/upgrade-openssh-7.3p1-centos-6.7.sh ) 
Linux