Много ботово се опитват да се логнат с brutforce и ето едно просто решение (не е 100% гаранция, но е втора бариера един вид…)
# Protect wp-login
<Files wp-login.php>
AuthUserFile /www/.htpasswd
AuthName "Private access"
AuthType Basic
require user amri
</Files>

Разпознаване на глас, чрез гугъл: https://github.com/amsehili/gspeech-rec

Клиента се свързва с машината която има реално IP(DOMAIN.bg) и прави отворен порт 19999

ssh -R 19999:127.0.0.1:22 [email protected] -oPort=33

Когато на DOMAIN.bg се вържем през ssh на 19999 ще се свържем директно със ssh-а на машината с нереално IP

Пример
На машината с реално ИП (DOMAIN.bg):
ssh [email protected] -p 19999

Свързваме се директно към машината с нерелно IP

Проблема беше, че има фтп потребител на машината който влиза, но се знае паролата и за да не се променя затова се реши да се пусне tcpdump и така да се прослуша с каква парола влиза потребител в съответната машина:

tcpdump -l -A src IP_CLIENT and port ftp

tcpdump port http or port ftp or port smtp or port imap or port pop3 -l -A | egrep -i 'pass=|pwd=|log=|login=|user=|username=|pw=|passw=|passwd=|password=|pass:|user:|username:|password:|login:|pass |user ' --color=auto --line-buffered -B20

su-;
apt-get install python3-setuptools python3-pyqt5 python3-pip;
pip3 install https://download.electrum.org/3.0.6/Electrum-3.0.6.tar.gz;

Грешка:
error: invalid command 'bdist_wheel'

Решение:
pip install wheel;
pip install setuptools --upgrade;
pip3 install https://download.electrum.org/3.0.6/Electrum-3.0.6.tar.gz
Collecting https://download.electrum.org/3.0.6/Electrum-3.0.6.tar.gz
Using cached https://download.electrum.org/3.0.6/Electrum-3.0.6.tar.gz
Requirement already satisfied (use --upgrade to upgrade): Electrum===3.0.6 from https://download.electrum.org/3.0.6/Electrum-3.0.6.tar.gz in /usr/local/lib/python3.5/dist-packages
Requirement already satisfied (use --upgrade to upgrade): pyaes>=0.1a1 in /usr/local/lib/python3.5/dist-packages (from Electrum===3.0.6)
Requirement already satisfied (use --upgrade to upgrade): ecdsa>=0.9 in /usr/local/lib/python3.5/dist-packages (from Electrum===3.0.6)
Requirement already satisfied (use --upgrade to upgrade): pbkdf2 in /usr/local/lib/python3.5/dist-packages (from Electrum===3.0.6)
Requirement already satisfied (use --upgrade to upgrade): requests in /usr/lib/python3/dist-packages (from Electrum===3.0.6)
Requirement already satisfied (use --upgrade to upgrade): qrcode in /usr/local/lib/python3.5/dist-packages (from Electrum===3.0.6)
Requirement already satisfied (use --upgrade to upgrade): protobuf in /usr/local/lib/python3.5/dist-packages (from Electrum===3.0.6)
Requirement already satisfied (use --upgrade to upgrade): dnspython in /usr/local/lib/python3.5/dist-packages (from Electrum===3.0.6)
Requirement already satisfied (use --upgrade to upgrade): jsonrpclib-pelix in /usr/local/lib/python3.5/dist-packages (from Electrum===3.0.6)
Requirement already satisfied (use --upgrade to upgrade): PySocks>=1.6.6 in /usr/local/lib/python3.5/dist-packages (from Electrum===3.0.6)
Requirement already satisfied (use --upgrade to upgrade): six in /usr/lib/python3/dist-packages (from qrcode->Electrum===3.0.6)
Requirement already satisfied (use --upgrade to upgrade): setuptools in /usr/lib/python3/dist-packages (from protobuf->Electrum===3.0.6)
Building wheels for collected packages: Electrum
Running setup.py bdist_wheel for Electrum … done
Stored in directory: /root/.cache/pip/wheels/3f/90/d2/d93db52c5f0a5c620ff486c44e1810e86c7b97d9496d01bcff
Successfully built Electrum

Грешка:
"PHP Fatal error: Redefinition of parameter $id_shop in /var/www/modules/spverticalmenu/Verticalmenu.php on line 655"

Решение:
Стар код:
protected function getCMSPages($id_cms_category, $id_shop = false, $id_lang = false, $id_shop = false)
{
$id_shop = ($id_shop !== false) ? (int)$id_shop : (int)Context::getContext()->shop->id;
$id_lang = $id_lang ? (int)$id_lang : (int)Context::getContext()->language->id;
Нов код:
public function getCMSPages($id_cms_category, $id_shop = false, $id_lang = false, $id_shop2 = false, $is_list = false)
{
$id_shop = ($id_shop !== false) ? (int)$id_shop : (int)Context::getContext()->shop->id;
$id_shop = ($id_shop2 !== false) ? (int)$id_shop2 : (int)Context::getContext()->shop->id;
Грешка:
"PHP Fatal error: Uncaught Error: Call to undefined function mcrypt_encrypt() in /var/www/classes/Rijndael.php:50"

Решение:
UPDATE `ps_configuration` SET `value` = '0' WHERE `name` = 'PS_CIPHER_ALGORITHM';

Confirm Form Resubmission

This webpage requires data that you entered earlier in order to be properly displayed. You can send this data again, but by doing so you will repeat any action this page previously performed.
Press the reload button to resubmit the data needed to load the page.
ERR_CACHE_MISS

header('Cache-Control: no cache'); //no cache
session_cache_limiter('private_no_expire'); // works
session_start();

find . -name "*.php" -exec grep "base64" '{}' \; -print &> b64-detections.txt

find . -name "*.php" -exec grep "eval" '{}' \; -print &> eval-detections.txt

Тук има интересни публикации: www.pomagalo1.com

ssh  root@IP -p 22 -v

Unable to negotiate with IP port 22: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1

ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 root@IP -p 22 -v
Тук вече се конектва правилно!

Има и друг вариант

Файл:  /etc/ssh/ssh_config:

Host *
GSSAPIAuthentication yes
KexAlgorithms +diffie-hellman-group1-sha1