Openvpn Bruteforce Attacke

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Version vom 8. August 2025, 11:33 Uhr von Thomas.will (Diskussion | Beiträge) (Die Seite wurde neu angelegt: „=Rechner Scannen= *sudo nmap -sU 192.168.15.89 -p 1194 Starting Nmap 7.95SVN ( https://nmap.org ) at 2025-08-08 13:31 CEST Nmap scan report for 192.168.15.89…“)
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Rechner Scannen

  • sudo nmap -sU 192.168.15.89 -p 1194
Starting Nmap 7.95SVN ( https://nmap.org ) at 2025-08-08 13:31 CEST
Nmap scan report for 192.168.15.89
Host is up (0.0010s latency). 

PORT     STATE SERVICE
1194/udp open  openvpn
MAC Address: 08:00:27:E2:89:31 (PCS Systemtechnik/Oracle VirtualBox virtual NIC)
Nmap done: 1 IP address (1 host up) scanned in 2.75 seconds

Wenn wir das CA-Cert haben?

Erstellen einer client.ovpn

vi client.ovpn
dev tun0
remote 192.168.15.89
tls-client
cipher AES-256-CBC
link-mtu 1542
mssfix 1450
pull
verb 3
auth-user-pass
<ca>
-----BEGIN CERTIFICATE-----
MIIFAzCCAuugAwIBAgIUQ072ZO1klbIh3U2cUIAhFPaeveIwDQYJKoZIhvcNAQEL
BQAwETEPMA0GA1UEAwwGY2EuY3J0MB4XDTI1MDgwODEwMDgxN1oXDTM1MDgwNjEw
MDgxN1owETEPMA0GA1UEAwwGY2EuY3J0MIICIjANBgkqhkiG9w0BAQEFAAOCAg8A
MIICCgKCAgEAvf4Jcrct+66j/iv4rsv+byEF1fyyWf7c8l5XPQYOFrY7t3DwrZWQ
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egGImWT4ywQCnshA6IxUvLkdjPrfgw1CtT02UaGWACQl4MgGWmnKBiNkaOXHjELc
EdcgXMudjTre5SIweWq1akUoo4ZB2Oxje5hyflcmKyO/1SD3Jdx1F4f7vD3Yzh9n
MqCSHT8u3bVSWyib7dlDaWK2NE36OB3N3k4YESrwRzStSCeqs6FEZ/b2g0uUCu0q
rnaThFWGhPQHlpqrk/SRczcSmsINvtx1sPjao6GwrhrgSkvmj511fLy6m8HKqYkK
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qwVDqVILWR2jdsqy7lEKQ7eX21a1AJfOyuio4qYxs49FZkxqWeWM/9+kMi6xRDZf
3gg+qVJa4Ea4u3nRJjJRwmF0/b3Lmt/NZLIRR4P/saJfMjLB+3x5sYkCAwEAAaNT
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BQADggIBAFKSR57WL7gSHmpg7hpxgXRj2mhMs/RO4rRVl5dhrF++PTFKviJSPvkm
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AGsrd9sc42UuLiJeRjAwJeDqaGkX1XMbIqj0hk1ObLTAJubOpJyVeCIcLzByT1GP
QYJpOtZTIcjz/gE9Rs4CgCxrFqC2JHBDqoS6y31xVqq0/btCEYIJKoAkrdyOvs56
1dt1mUeF2vokm0//yK3Y0DMnL1wIppfp6Fyiwm4iQkMyGW/nSN+m7he7clv2fRAo
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16yGDZcdaAysbXNY7y1tFhAApAldtUyGqvBaNO+t9/UVVYvjRnmeGW2Trn9I2e2r
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9pk3/NXt621W9bpVYkwH9jm8/2mKjzYlMo3hY9jw3df8M8xgSUmo2K198PrPvRnj
bfCmi0hoSlDehg76asiX6d+9u/MCu8g0vhWL11lAz8MdqOmBUbos7PFnqMyOs+1u
XA3HTJ4T0iayTxjfySXOnsm04Za/j599YMSpRysyWOy48e3SIop9
-----END CERTIFICATE-----
</ca>