IPSec tunnel inta u dhaxaysa Strongswan gadaashiisa NAT iyo VMWare NSX Edge

Sababo dhowr ah awgood, waxay ahayd lagama maarmaan in la abaabulo isku xirka VPN ee ka dhexeeya shabakadda gudaha VMWare Cloud Director iyo mashiinka Ubuntu gaar ah ee daruuraha. Qoraalku iskama dhigayo inuu yahay sharraxaad buuxa, ee waa hab yar oo keliya.

IPSec tunnel inta u dhaxaysa Strongswan gadaashiisa NAT iyo VMWare NSX Edge

Maqaalka kaliya ee mawduucan laga soo bilaabo 2015 ayaa laga helay internetka "Bogga ku socda IPSEC VPN inta u dhaxaysa NSX Edge iyo Linux strongSwan".

Nasiib darro, suurtagal ma ahayn in si toos ah loo isticmaalo, sababtoo ah ... Waxaan rabay sir la isku halleyn karo, ma ahan shahaado iskiis u saxiixday, iyo qaabeynta la tilmaamay kama shaqeyn laheyn NAT gadaasheeda.

Sidaa darteed, waxay ahayd inaan fadhiisto oo aan u guntado waraaqaha.

Asal ahaan, waxaan qaatay qaab-dhismeedka aan muddo dheer isticmaalayay, kaas oo ii oggolaanaya inaan ku xidho OS kasta, oo si fudud ugu daray gabal ii oggolaanaya inaan ku xidho NSX Edge.

Mar haddii rakibidda iyo habaynta si buuxda u habaynta server-ka Strongswan ay ka baxsan tahay xadka qoraalkan, aan tixraaco wax wanaagsan oo ku saabsan mawduucan.

Haddaba, aynu si toos ah ugu dhaqaaqno goobaha.

Jaantuska xidhiidhkayagu wuxuu u ekaan doonaa sidan:

IPSec tunnel inta u dhaxaysa Strongswan gadaashiisa NAT iyo VMWare NSX Edge

со стороны VMWare внешний адрес 33.33.33.33 и внутренняя сеть 192.168.1.0/24
со стороны Linux внешний адрес 22.22.22.22 и внутренняя сеть 10.10.10.0/24
также понадобится настроить Let's encrypt сертификат для адреса vpn.linux.ext
PSK с обеих сторон: ChangeMeNow!

Isku xidhka NSX Edge:

Qoraalka

Enabled: yes
Enable perfect forward secrecy (PFS): yes
Name: VPN_strongswan (любое, по вашему выбору)
Local Id: 33.33.33.33
Local Endpoint: 33.33.33.33
Local Subnets: 192.168.1.0/24
Peer Id: vpn.linux.ext
Peer Endpoint: 22.22.22.22
Peer Subnets: 10.10.10.0/24
Encryption Algorithm: AES256
Authentication: PSK
Pre-Shared Key: ChangeMeNow!
Diffie-Hellman Group: 14 (2048 bit — приемлемый компромисс между скоростью и безопасностью. Но если хотите, можете поставить больше)
Digest Algorithm: SHA256
IKE Option: IKEv2
IKE Responder Only: no
Session Type: Policy Based Session

Screenshots
IPSec tunnel inta u dhaxaysa Strongswan gadaashiisa NAT iyo VMWare NSX Edge
IPSec tunnel inta u dhaxaysa Strongswan gadaashiisa NAT iyo VMWare NSX Edge

Dejinta Strongwan:

ipsec.conf

# /etc/ipsec.conf
config setup

conn %default
	dpdaction=clear
	dpddelay=35s
	dpdtimeout=300s

	fragmentation=yes
	rekey=no

	ike=aes256gcm16-aes256gcm12-aes128gcm16-aes128gcm12-sha256-sha1-modp2048-modp4096-modp1024,aes256-aes128-sha256-sha1-modp2048-modp4096-modp1024,3des-sha1-modp1024!
	esp=aes128gcm12-aes128gcm16-aes256gcm12-aes256gcm16-modp2048-modp4096-modp1024,aes128-aes256-sha1-sha256-modp2048-modp4096-modp1024,aes128-sha1-modp2048,aes128-sha1-modp1024,3des-sha1-modp1024,aes128-aes256-sha1-sha256,aes128-sha1,3des-sha1!

	left=%any
	leftsubnet=10.10.10.0/24
        leftcert=certificate.pem
	leftfirewall=yes
	leftsendcert=always

	right=%any
	rightsourceip=192.168.1.0/24
	rightdns=77.88.8.8,8.8.4.4

	eap_identity=%identity

# IKEv2
conn IPSec-IKEv2
	keyexchange=ikev2
	auto=add

# BlackBerry, Windows, Android
conn IPSec-IKEv2-EAP
	also="IPSec-IKEv2"
	rightauth=eap-mschapv2

# macOS, iOS
conn IKEv2-MSCHAPv2-Apple
	also="IPSec-IKEv2"
	rightauth=eap-mschapv2
	leftid=vpn.linux.ext

# Android IPsec Hybrid RSA
conn IKEv1-Xauth
	keyexchange=ikev1
	rightauth=xauth
	auto=add

# VMWare IPSec VPN
conn linux-nsx-psk
	authby=secret
	auto=start
	leftid=vpn.linux.ext
	left=10.10.10.10
	leftsubnet=10.10.10.0/24
	rightid=33.33.33.33
	right=33.33.33.33
	rightsubnet=192.168.1.0/24
	ikelifetime=28800
	keyexchange=ikev2
	lifebytes=0
	lifepackets=0
	lifetime=1h

ipsec.sirta

# /etc/ipsec.secrets
: RSA privkey.pem

# Create VPN users accounts
# ВНИМАНИЕ! После логина сначала пробел, потом двоеточие.

user1 : EAP "stongPass1"
user2 : EAP "stongPass2"
%any 33.33.33.33 : PSK "ChangeMeNow!"

Intaa ka dib, kaliya dib u akhri qaabka, billow xidhiidhka oo hubi in la sameeyay:

ipsec update
ipsec rereadsecrets
ipsec up linux-nsx-psk
ipsec status

Waxaan rajeynayaa in qoraalkan yar uu waxtar leh oo uu qof badbaadiyo dhowr saacadood.

Source: www.habr.com

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