tcpdump: examples

Check ping

tcpdump -nni eth0 -e icmp[icmptype] == 8

xfreerdp: SSL problem

Problem:

xfreerdp 192.168.0.100
connected to 192.168.0.150:3389
Password: 
SSL_read: Failure in SSL library (protocol error?)
Authentication failure, check credentials.
If credentials are valid, the NTLMSSP implementation may be to blame.

Solution:

xfreerdp --no-nla 192.168.0.100
connected to 192.168.0.100 ....
...

Add & Del Windows firewall rules for zabbix (10050 port)

• Add

  netsh advfirewall firewall add rule name="zabbix" dir=in action=allow profile=domain description="zabbix agent 10050" enable=yes localport=10050 protocol=tcp

• Del

  netsh advfirewall firewall del rule name="zabbix"

Bash & PowerShell: неожиданно

Создать файл test.txt в предварительно созданой иерархие 1 -> 2 -> 3 -> 4

.
|_1
--|_2
----|_3
------|_4
--------|_test.txt

• Bash:

  i="1/2/3/4" && mkdir -p $i && touch $i/test.txt

• PowerShell

  New-Item -Type file -Force 1\2\3\4\test.txt

---

Upd.1:
Найдена фунцкия для bash:

mkfile() { mkdir -p "$1" && touch "$1"/"$2" }

• exmpl:

  mkfile 1/2/3/4 test.txt

PowerShell: RunAs

Start-Process powershell -Verb runas