{"id":91210,"date":"2020-08-10T01:42:13","date_gmt":"2020-08-09T23:42:13","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/1-5-shemy-na-otechestvennom-ipsec-vpn-testiruyu-demoversii"},"modified":"2020-08-10T01:42:13","modified_gmt":"2020-08-09T23:42:13","slug":"1-5-shemy-na-otechestvennom-ipsec-vpn-testiruyu-demoversii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/1-5-shemy-na-otechestvennom-ipsec-vpn-testiruyu-demoversii","title":{"rendered":"1.5 sch\u00e9mat na dom\u00e1c\u00edm IPsec VPN. Testuji demo verze.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"1.5 sch\u00e9mat na dom\u00e1c\u00edm IPsec VPN. Testuji demo verze.\" src=\"\/wp-content\/uploads\/2020\/08\/34026e07ff4a1fd64227224ca4c96f0d.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h3>Situace<\/h3>\n<p>\nZ\u00edskal jsem zku\u0161ebn\u00ed verzi produkt\u016f S-Terra VPN verze 4.3 na t\u0159i m\u011bs\u00edce. Chci zjistit, zda se m\u00e1 in\u017een\u00fdrsk\u00e1 pr\u00e1ce po p\u0159echodu na novou verzi usnadn\u00ed.<\/p>\n<p>Dnes to nen\u00ed slo\u017eit\u00e9, jedno balen\u00ed rozpustn\u00e9 k\u00e1vy 3 v 1 by m\u011blo sta\u010dit. \u0158eknu v\u00e1m, jak z\u00edskat zku\u0161ebn\u00ed verze. Zkus\u00edm vytvo\u0159it sch\u00e9mata GRE-over-IPsec a IPsec-over-GRE.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h3>Jak z\u00edskat zku\u0161ebn\u00ed verzi<\/h3>\n<p>\n<img decoding=\"async\" alt=\"1.5 sch\u00e9mat na dom\u00e1c\u00edm IPsec VPN. Testuji demo verze.\" src=\"\/wp-content\/uploads\/2020\/08\/0c5482e01684b8c7b3e35fb9c473b475.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nZ obr\u00e1zku vypl\u00fdv\u00e1, \u017ee k z\u00edsk\u00e1n\u00ed zku\u0161ebn\u00ed verze je t\u0159eba:<\/p>\n<ul>\n<li>Napsat e-mail na presale@s-terra.ru z firemn\u00ed adresy;<\/li>\n<li>V e-mailu uv\u00e9st I\u010c va\u0161\u00ed organizace;<\/li>\n<li>Vypsat produkty a jejich mno\u017estv\u00ed.<\/li>\n<\/ul>\n<p>\nZku\u0161ebn\u00ed verze jsou platn\u00e9 t\u0159i m\u011bs\u00edce. Dodavatel neomezuje jejich funk\u010dnost. <\/p>\n<h3>Rozb\u00edh\u00e1m obraz<\/h3>\n<p>\nZku\u0161ebn\u00ed verze bezpe\u010dnostn\u00ed br\u00e1ny je obraz virtu\u00e1ln\u00edho stroje. Pou\u017e\u00edv\u00e1m VMWare Workstation. Kompletn\u00ed seznam podporovan\u00fdch hypervizor\u016f a virtualiza\u010dn\u00edch prost\u0159ed\u00ed je uveden na webov\u00fdch str\u00e1nk\u00e1ch dodavatele. <\/p>\n<p>P\u0159ed zah\u00e1jen\u00edm aktivn\u00edch akc\u00ed v\u011bnujte pozornost tomu, \u017ee v obraze virtu\u00e1ln\u00edho stroje standardn\u011b nejsou \u017e\u00e1dn\u00e9 s\u00ed\u0165ov\u00e9 rozhran\u00ed: <\/p>\n<p><img decoding=\"async\" alt=\"1.5 sch\u00e9mat na dom\u00e1c\u00edm IPsec VPN. Testuji demo verze.\" src=\"\/wp-content\/uploads\/2020\/08\/b1ffa5f27aae9744fc24a91b709794d6.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nLogika je jasn\u00e1, u\u017eivatel mus\u00ed p\u0159idat tolik rozhran\u00ed, kolik pot\u0159ebuje. P\u0159id\u00e1m rovnou \u010dty\u0159i:<\/p>\n<p><img decoding=\"async\" alt=\"1.5 sch\u00e9mat na dom\u00e1c\u00edm IPsec VPN. Testuji demo verze.\" src=\"\/wp-content\/uploads\/2020\/08\/626f2e1ba04babd37373298d650b210d.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNyn\u00ed spou\u0161t\u00edm virtu\u00e1ln\u00ed stroj. Hned po spu\u0161t\u011bn\u00ed br\u00e1na po\u017eaduje p\u0159ihla\u0161ovac\u00ed jm\u00e9no a heslo. <\/p>\n<blockquote><p>V S-Terra Br\u00e1n\u011b je n\u011bkolik konzol s r\u016fzn\u00fdmi \u00fa\u010dty. Po\u010d\u00edt\u00e1m jejich po\u010det v samostatn\u00e9m \u010dl\u00e1nku. A zat\u00edm:<br \/>\n<code>P\u0159ihlaste se jako: administr\u00e1tor<br \/>\nHeslo: s-terra<\/code><\/p><\/blockquote>\n<p>\nInicializuji br\u00e1nu. Inicializace je sekvence akc\u00ed: zad\u00e1n\u00ed licence, nastaven\u00ed biologick\u00e9ho gener\u00e1toru n\u00e1hodn\u00fdch \u010d\u00edsel (kl\u00e1vesnicov\u00fd trena\u017e\u00e9r \u2013 m\u016fj rekord 27 sekund) a vytvo\u0159en\u00ed mapy s\u00ed\u0165ov\u00fdch rozhran\u00ed.<\/p>\n<h3>Mapa s\u00ed\u0165ov\u00fdch rozhran\u00ed. Bylo to jednodu\u0161\u0161\u00ed.<\/h3>\n<p>\nVerze 4.2 v\u00edtala aktivn\u00edho u\u017eivatele zpr\u00e1vami:<\/p>\n<p><code>Spou\u0161t\u011bn\u00ed d\u00e9monu IPsec..... ne\u00fasp\u011b\u0161n\u00e9<br \/>\nCHYBA: Nelze nav\u00e1zat spojen\u00ed s d\u00e9monem<\/code><\/p>\n<p><i>Aktivn\u00ed u\u017eivatel (podle n\u00e1zoru anonymn\u00edho in\u017een\u00fdra) \u2013 u\u017eivatel, kter\u00fd je schopen cokoliv nastavit rychle a bez dokumentace.<\/i><\/p>\n<p>N\u011bco \u0161lo \u0161patn\u011b, je\u0161t\u011b p\u0159ed pokusy o nastaven\u00ed IP adresy na rozhran\u00ed. V\u0161echny z\u00e1le\u017eitosti spo\u010d\u00edvaly v map\u011b s\u00ed\u0165ov\u00fdch rozhran\u00ed. Bylo t\u0159eba vykonat:<\/p>\n<p><code>\/bin\/netifcfg enum &gt; \/home\/map<br \/>\n\/bin\/netifcfg map \/home\/map<br \/>\nslu\u017eba networking restart<\/code><\/p>\n<p>V\u00fdsledkem je vytvo\u0159en\u00ed mapy s\u00ed\u0165ov\u00fdch rozhran\u00ed, kter\u00e1 obsahuje mapov\u00e1n\u00ed n\u00e1zv\u016f fyzick\u00fdch rozhran\u00ed (0000:02:03.0) a jejich logick\u00fdch ozna\u010den\u00ed v opera\u010dn\u00edm syst\u00e9mu (eth0) a Cisco-like konzoli (FastEthernet0\/0):<\/p>\n<p><code>#Unique ID iface type OS name Cisco-like name<\/p>\n<p>0000:02:03.0 phye eth0 FastEthernet0\/0<\/code><\/p>\n<p>Logick\u00e1 ozna\u010den\u00ed rozhran\u00ed se naz\u00fdvaj\u00ed aliasy. Aliasy jsou ulo\u017eeny v souboru \/etc\/ifaliases.cf. <br \/>\nVe verzi 4.3 se p\u0159i prvn\u00edm spu\u0161t\u011bn\u00ed virtu\u00e1ln\u00edho stroje automaticky vytvo\u0159\u00ed mapa rozhran\u00ed. Pokud m\u011bn\u00edte po\u010det s\u00ed\u0165ov\u00fdch rozhran\u00ed ve virtu\u00e1ln\u00edm stroji, pros\u00edm, vytvo\u0159te mapu rozhran\u00ed znovu:<\/p>\n<p><code>\/bin\/netifcfg enum &gt; \/home\/map<br \/>\n\/bin\/netifcfg map \/home\/map<br \/>\nsystemctl restart networking<\/code><\/p>\n<h3>Sch\u00e9ma 1: GRE-over-IPsec<\/h3>\n<p>\nNasazuji dva virtu\u00e1ln\u00ed br\u00e1ny, p\u0159ep\u00edn\u00e1m podle sch\u00e9matu na obr\u00e1zku:<\/p>\n<p><img decoding=\"async\" alt=\"1.5 sch\u00e9mat na dom\u00e1c\u00edm IPsec VPN. Testuji demo verze.\" src=\"\/wp-content\/uploads\/2020\/08\/bf3b085f6874d04043511ef262979a39.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Krok 1. Nastavuji IP adresy a trasy<\/b><\/p>\n<pre><code class=\"plaintext\">VG1(config) #\ninterface fa0\/0\nip address 172.16.1.253 255.255.255.0\nno shutdown\ninterface fa0\/1\nip address 192.168.1.253 255.255.255.0\nno shutdown\nip route 0.0.0.0 0.0.0.0 172.16.1.254<\/code><\/pre>\n<p><\/p>\n<pre><code class=\"plaintext\">VG2(config) #\ninterface fa0\/0\nip address 172.16.1.254 255.255.255.0\nno shutdown\ninterface fa0\/1\nip address 192.168.2.254 255.255.255.0\nno shutdown\nip route 0.0.0.0 0.0.0.0 172.16.1.253<\/code><\/pre>\n<p>\nKontroluji IP konektivitu:<\/p>\n<pre><code class=\"plaintext\">root@VG1:~# ping 172.16.1.254 -c 4\nPING 172.16.1.254 (172.16.1.254) 56(84) bytes of data.\n64 bytes from 172.16.1.254: icmp_seq=1 ttl=64 time=0.545 ms\n64 bytes from 172.16.1.254: icmp_seq=2 ttl=64 time=0.657 ms\n64 bytes from 172.16.1.254: icmp_seq=3 ttl=64 time=0.687 ms\n64 bytes from 172.16.1.254: icmp_seq=4 ttl=64 time=0.273 ms\n\n--- Statistiky pingu pro 172.16.1.254 ---\n4 pakety odesl\u00e1ny, 4 p\u0159ijaty, ztr\u00e1ta 0%, \u010das 3005ms\nrtt min\/avg\/max\/mdev = 0.273\/0.540\/0.687\/0.164 ms<\/code><\/pre>\n<p><b>Krok 2. Nastavuji GRE<\/b><\/p>\n<p>P\u0159\u00edklad konfigurace GRE beru z ofici\u00e1ln\u00edch skript\u016f. Vytv\u00e1\u0159\u00edm soubor gre1 v adres\u00e1\u0159i \/etc\/network\/interfaces.d se obsahem.<\/p>\n<p>Pro VG1:<\/p>\n<pre><code class=\"plaintext\">auto gre1\niface gre1 inet static\naddress 1.1.1.1\nnetmask 255.255.255.252\npre-up ip tunnel add gre1 mode gre remote 172.16.1.254 local 172.16.1.253 key 1 ttl 64 tos inherit\npre-up ethtool -K gre1 tx off &gt; \/dev\/null\npre-up ip link set gre1 mtu 1400\npost-down ip link del gre1<\/code><\/pre>\n<p>\nPro VG2:<\/p>\n<pre><code class=\"plaintext\">auto gre1\niface gre1 inet static\naddress 1.1.1.2\nnetmask 255.255.255.252\npre-up ip tunnel add gre1 mode gre remote 172.16.1.253 local 172.16.1.254 key 1 ttl 64 tos inherit\npre-up ethtool -K gre1 tx off &gt; \/dev\/null\npre-up ip link set gre1 mtu 1400\npost-down ip link del gre1<\/code><\/pre>\n<p>\nZved\u00e1m rozhran\u00ed v syst\u00e9mu:<\/p>\n<pre><code class=\"plaintext\">root@VG1:~# ifup gre1\nroot@VG2:~# ifup gre1<\/code><\/pre>\n<p>\nKontroluji:<\/p>\n<pre><code class=\"plaintext\">root@VG1:~# ip address show\n8: gre1@NONE:  mtu 1400 qdisc noqueue state UNKNOWN group default qlen 1\n    link\/gre 172.16.1.253 peer 172.16.1.254\n    inet 1.1.1.1\/30 brd 1.1.1.3 scope global gre1\n       valid_lft forever preferred_lft forever\n\nroot@VG1:~# ip tunnel show\ngre0: gre\/ip remote any local any ttl inherit nopmtudisc\ngre1: gre\/ip remote 172.16.1.254 local 172.16.1.253 ttl 64 tos inherit key 1<\/code><\/pre>\n<p>\nV S-Terra Gateway je zabudovan\u00fd paketov\u00fd sniffer \u2014 tcpdump. Zap\u00ed\u0161u dump provozu do souboru pcap:<\/p>\n<pre><code class=\"plaintext\">root@VG2:~# tcpdump -i eth0 -w \/home\/dump.pcap<\/code><\/pre>\n<p>\nSpou\u0161t\u00edm ping mezi GRE rozhran\u00edmi:<\/p>\n<pre><code class=\"plaintext\">root@VG1:~# ping 1.1.1.2 -c 4\nPING 1.1.1.2 (1.1.1.2) 56(84) bytes of data.\n64 bytes from 1.1.1.2: icmp_seq=1 ttl=64 time=0.918 ms\n64 bytes from 1.1.1.2: icmp_seq=2 ttl=64 time=0.850 ms\n64 bytes from 1.1.1.2: icmp_seq=3 ttl=64 time=0.918 ms\n64 bytes from 1.1.1.2: icmp_seq=4 ttl=64 time=0.974 ms\n\n--- Statistiky pingu pro 1.1.1.2 ---\n4 pakety odesl\u00e1ny, 4 p\u0159ijaty, ztr\u00e1ta 0%, \u010das 3006ms\nrtt min\/avg\/max\/mdev = 0.850\/0.915\/0.974\/0.043 ms<\/code><\/pre>\n<p>\nGRE tunel je aktivn\u00ed a funguje:<\/p>\n<p><img decoding=\"async\" alt=\"1.5 sch\u00e9mat na dom\u00e1c\u00edm IPsec VPN. Testuji demo verze.\" src=\"\/wp-content\/uploads\/2020\/08\/0b56c02e36d1dd17b42e3fadcffb6193.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Krok 3. \u0160ifrujeme GOSTem GRE<\/b><\/p>\n<p>Nastavuji typ identifikace \u2013 podle adresy. Autentizace podle p\u0159edem stanoven\u00e9ho kl\u00ed\u010de (podle Pravidel pou\u017e\u00edv\u00e1n\u00ed by m\u011bly b\u00fdt pou\u017eity digit\u00e1ln\u00ed certifik\u00e1ty):<\/p>\n<pre><code class=\"plaintext\">VG1(config)#\ncrypto isakmp identity address\ncrypto isakmp key KEY address 172.16.1.254<\/code><\/pre>\n<p>\nNastavuji parametry IPsec f\u00e1ze I:<\/p>\n<pre><code class=\"plaintext\">VG1(config)#\ncrypto isakmp policy 1\nencr gost\nhash gost3411-256-tc26\nauth pre-share\ngroup vko2<\/code><\/pre>\n<p>\nNastavuji parametry IPsec f\u00e1ze II:<\/p>\n<pre><code class=\"plaintext\">VG1(config)#\ncrypto ipsec transform-set TSET esp-gost28147-4m-imit\nmode tunnel<\/code><\/pre>\n<p>\nVytv\u00e1\u0159\u00edm seznam pro p\u0159\u00edstup pro \u0161ifrov\u00e1n\u00ed. C\u00edlov\u00fd provoz \u2014 GRE:<\/p>\n<pre><code class=\"plaintext\">VG1(config)#\nip access-list extended LIST\npermit gre host 172.16.1.253 host 172.16.1.254<\/code><\/pre>\n<p>\nVytv\u00e1\u0159\u00edm kryptomapu a v\u00e1\u017eu ji na WAN rozhran\u00ed:<\/p>\n<pre><code class=\"plaintext\">VG1(config)#\ncrypto map CMAP 1 ipsec-isakmp\nmatch address LIST\nset transform-set TSET\nset peer 172.16.1.253\ninterface fa0\/0\n  crypto map CMAP<\/code><\/pre>\n<p>\nPro VG2 je konfigurace zrcadlov\u00e1, rozd\u00edly:<\/p>\n<pre><code class=\"plaintext\">VG2(config)#\ncrypto isakmp key KEY address 172.16.1.253\nip access-list extended LIST\npermit gre host 172.16.1.254 host 172.16.1.253\ncrypto map CMAP 1 ipsec-isakmp\nset peer 172.16.1.254<\/code><\/pre>\n<p>\nKontroluji:<\/p>\n<pre><code class=\"plaintext\">root@VG2:~# tcpdump -i eth0 -w \/home\/dump2.pcap<\/code><\/pre>\n<pre><code class=\"plaintext\">root@VG1:~# ping 1.1.1.2 -c 4\nPING 1.1.1.2 (1.1.1.2) 56(84) bytes of data.\n64 bytes from 1.1.1.2: icmp_seq=1 ttl=64 time=1128 ms\n64 bytes from 1.1.1.2: icmp_seq=2 ttl=64 time=126 ms\n64 bytes from 1.1.1.2: icmp_seq=3 ttl=64 time=1.07 ms\n64 bytes from 1.1.1.2: icmp_seq=4 ttl=64 time=1.12 ms\n\n--- 1.1.1.2 ping statistics ---\n4 packets transmitted, 4 received, 0% packet loss, time 3006ms\nrtt min\/avg\/max\/mdev = 1.077\/314.271\/1128.419\/472.826 ms, pipe 2\n<\/code><\/pre>\n<p>\nStatistika ISAKMP\/IPsec:<\/p>\n<pre><code class=\"plaintext\">root@VG1:~# sa_mgr show\nISAKMP sessions: 0 initiated, 0 responded\n\nISAKMP connections:\nNum Conn-id (Local Addr,Port)-(Remote Addr,Port) State Sent Rcvd\n1 1 (172.16.1.253,500)-(172.16.1.254,500) active 1086 1014\n\nIPsec connections:\nNum Conn-id (Local Addr,Port)-(Remote Addr,Port) Protocol Action Type Sent Rcvd\n1 1 (172.16.1.253,*)-(172.16.1.254,*) 47 ESP tunn 480 480<\/code><\/pre>\n<p>\nV dumpu provozu GRE pakety nejsou:<\/p>\n<p><img decoding=\"async\" alt=\"1.5 sch\u00e9mat na dom\u00e1c\u00edm IPsec VPN. Testuji demo verze.\" src=\"\/wp-content\/uploads\/2020\/08\/cf96619cb4224cbf4da7c15db73587c7.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nV\u00fdstup: sch\u00e9ma GRE-over-IPsec spr\u00e1vn\u011b funguje.<\/p>\n<h3>Sch\u00e9ma 1.5: IPsec-over-GRE<\/h3>\n<p>\nIPsec-over-GRE v s\u00edti nepl\u00e1nuji pou\u017e\u00edt. Sestavuji, proto\u017ee chci. <\/p>\n<p><img decoding=\"async\" alt=\"1.5 sch\u00e9mat na dom\u00e1c\u00edm IPsec VPN. Testuji demo verze.\" src=\"\/wp-content\/uploads\/2020\/08\/98909280d82184278e23f2c38b90947d.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPro oto\u010den\u00ed sch\u00e9matu GRE-over-IPsec pot\u0159ebuji:<\/p>\n<ul>\n<li>Upravit seznam pro p\u0159\u00edstup pro \u0161ifrov\u00e1n\u00ed \u2013 c\u00edlov\u00fd provoz z LAN1 do LAN2 a naopak;<\/li>\n<li>Nastavit sm\u011brov\u00e1n\u00ed p\u0159es GRE;<\/li>\n<li>Pov\u011bsit kryptomapu na GRE rozhran\u00ed.<\/li>\n<\/ul>\n<p>\nVe v\u00fdchoz\u00edm nastaven\u00ed v Cisco-like konzoli br\u00e1ny GRE rozhran\u00ed nen\u00ed. Existuje pouze v opera\u010dn\u00edm syst\u00e9mu. <\/p>\n<p>P\u0159id\u00e1v\u00e1m GRE rozhran\u00ed do Cisco-like konzole. K tomu upravuji soubor \/etc\/ifaliases.cf:<\/p>\n<pre><code class=\"plaintext\">interface (name=\"FastEthernet0\/0\" pattern=\"eth0\")\ninterface (name=\"FastEthernet0\/1\" pattern=\"eth1\")\ninterface (name=\"FastEthernet0\/2\" pattern=\"eth2\")\ninterface (name=\"FastEthernet0\/3\" pattern=\"eth3\")\ninterface (name=\"Tunnel0\" pattern=\"gre1\")\ninterface (name=\"default\" pattern=\"*\")<\/code><\/pre>\n<p>\nkde gre1 \u2013 ozna\u010den\u00ed rozhran\u00ed v opera\u010dn\u00edm syst\u00e9mu, Tunnel0 \u2013 ozna\u010den\u00ed rozhran\u00ed v Cisco-like konzoli.<\/p>\n<p>P\u0159epo\u010d\u00edt\u00e1v\u00e1m hash souboru:<\/p>\n<pre><code class=\"plaintext\">root@VG1:~# integr_mgr calc -f \/etc\/ifaliases.cf\n\nSUCCESS: Operation was successful.<\/code><\/pre>\n<p>\nTe\u010f se rozhran\u00ed Tunnel0 objevilo v Cisco-like konzole:<\/p>\n<pre><code class=\"plaintext\">VG1# show run\ninterface Tunnel0\nip address 1.1.1.1 255.255.255.252\nmtu 1400<\/code><\/pre>\n<p>\nUpravuji seznam pro p\u0159\u00edstup pro \u0161ifrov\u00e1n\u00ed:<\/p>\n<pre><code class=\"plaintext\">VG1(config)#\nip access-list extended LIST\npermit ip 192.168.1.0 0.0.0.255 192.168.3.0 0.0.0.255<\/code><\/pre>\n<p>\nNastavuji sm\u011brov\u00e1n\u00ed p\u0159es GRE:<\/p>\n<pre><code class=\"plaintext\">VG1(config)#\nno ip route 0.0.0.0 0.0.0.0 172.16.1.254\nip route 192.168.3.0 255.255.255.0 1.1.1.2<\/code><\/pre>\n<p>\nOdeb\u00edr\u00e1m kryptokartu z Fa0\/0 a p\u0159ipojuji ji k GRE rozhran\u00ed:<\/p>\n<pre><code class=\"plaintext\">VG1(config)#\ninterface Tunnel0\ncrypto map CMAP<\/code><\/pre>\n<p>\nPro VG2 obdobn\u011b.<\/p>\n<p>Kontroluji:<\/p>\n<pre><code class=\"plaintext\">root@VG2:~# tcpdump -i eth0 -w \/home\/dump3.pcap<\/code><\/pre>\n<p><\/p>\n<pre><code class=\"plaintext\">root@VG1:~# ping 192.168.2.254 -I 192.168.1.253 -c 4\nPING 192.168.2.254 (192.168.2.254) from 192.168.1.253 : 56(84) bytes of data.\n64 bytes from 192.168.2.254: icmp_seq=1 ttl=64 time=492 ms\n64 bytes from 192.168.2.254: icmp_seq=2 ttl=64 time=1.08 ms\n64 bytes from 192.168.2.254: icmp_seq=3 ttl=64 time=1.06 ms\n64 bytes from 192.168.2.254: icmp_seq=4 ttl=64 time=1.07 ms\n\n--- 192.168.2.254 ping statistics ---\n4 packets transmitted, 4 received, 0% packet loss, time 3006ms\nrtt min\/avg\/max\/mdev = 1.064\/124.048\/492.972\/212.998 ms<\/code><\/pre>\n<p>Statistika ISAKMP\/IPsec:<\/p>\n<pre><code class=\"plaintext\">root@VG1:~# sa_mgr show\nISAKMP sessions: 0 initiated, 0 responded\n\nISAKMP connections:\nNum Conn-id (Local Addr,Port)-(Remote Addr,Port) State Sent Rcvd\n1 2 (172.16.1.253,500)-(172.16.1.254,500) active 1094 1022\n\nIPsec connections:\nNum Conn-id (Local Addr,Port)-(Remote Addr,Port) Protocol Action Type Sent Rcvd\n1 2 (192.168.1.0-192.168.1.255,*)-(192.168.2.0-192.168.2.255,*) * ESP tunn 352 352<\/code><\/pre>\n<p>\nVe shrom\u00e1\u017ed\u011bn\u00e9m provozu jsou pakety ESP, zabaluj\u00edc\u00ed v GRE:<\/p>\n<p><img decoding=\"async\" alt=\"1.5 sch\u00e9mat na dom\u00e1c\u00edm IPsec VPN. Testuji demo verze.\" src=\"\/wp-content\/uploads\/2020\/08\/068865544de126a1673c6fb7b6367ffd.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nV\u00fdstup: IPsec-over-GRE funguje spr\u00e1vn\u011b.<\/p>\n<h3>Z\u00e1v\u011bry<\/h3>\n<p>\nJedna \u0161\u00e1lek k\u00e1vy sta\u010dil. Sepsal jsem instrukci k z\u00edsk\u00e1n\u00ed demoverze. Nastavil jsem GRE-over-IPsec a obr\u00e1til to.<\/p>\n<p>Mapa s\u00ed\u0165ov\u00fdch rozhran\u00ed ve verzi 4.3 je automatick\u00e1! Testuji d\u00e1l.<\/p>\n<p><i>Anonymn\u00ed in\u017een\u00fdr<br \/>\nt.me\/anonimous_engineer<\/i><br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/514190\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u0438\u0442\u0443\u0430\u0446\u0438\u044f \u042f \u043f\u043e\u043b\u0443\u0447\u0438\u043b \u0434\u0435\u043c\u043e\u0432\u0435\u0440\u0441\u0438\u044e \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 \u0421-\u0422\u0435\u0440\u0440\u0430 VPN \u0432\u0435\u0440\u0441\u0438\u0438 4.3 \u043d\u0430 \u0442\u0440\u0438 \u043c\u0435\u0441\u044f\u0446\u0430. \u0425\u043e\u0447\u0443 \u0440\u0430\u0437\u043e\u0431\u0440\u0430\u0442\u044c\u0441\u044f, \u0441\u0442\u0430\u043d\u0435\u0442 \u043b\u0438 \u043c\u043e\u044f \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u043d\u0430\u044f \u0436\u0438\u0437\u043d\u044c \u043b\u0435\u0433\u0447\u0435 \u043f\u043e\u0441\u043b\u0435 \u043f\u0435\u0440\u0435\u0445\u043e\u0434\u0430 \u043d\u0430 \u043d\u043e\u0432\u0443\u044e \u0432\u0435\u0440\u0441\u0438\u044e. \u0421\u0435\u0433\u043e\u0434\u043d\u044f \u043d\u0435 \u0441\u043b\u043e\u0436\u043d\u043e, \u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0430\u043a\u0435\u0442\u0438\u043a\u0430 \u0440\u0430\u0441\u0442\u0432\u043e\u0440\u0438\u043c\u043e\u0433\u043e \u043a\u043e\u0444\u0435 3 \u0432 1 \u0434\u043e\u043b\u0436\u043d\u043e \u0445\u0432\u0430\u0442\u0438\u0442\u044c. \u0420\u0430\u0441\u0441\u043a\u0430\u0436\u0443, \u043a\u0430\u043a \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u0435\u043c\u043e\u0432\u0435\u0440\u0441\u0438\u0438. \u041f\u043e\u043f\u0440\u043e\u0431\u0443\u044e \u0441\u043e\u0431\u0440\u0430\u0442\u044c \u0441\u0445\u0435\u043c\u044b GRE-over-IPsec \u0438 IPsec-over-GRE. \u041a\u0430\u043a \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u0435\u043c\u043e\u0432\u0435\u0440\u0441\u0438\u044e \u0418\u0437 \u0440\u0438\u0441\u0443\u043d\u043a\u0430 \u0441\u043b\u0435\u0434\u0443\u0435\u0442, \u0447\u0442\u043e\u0431\u044b \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":91211,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-91210","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/1-5-shemy-na-otechestvennom-ipsec-vpn-testiruyu-demoversii\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd471.5 \u0441\u0445\u0435\u043c\u044b \u043d\u0430 \u043e\u0442\u0435\u0447\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u043c IPsec VPN. \u0422\u0435\u0441\u0442\u0438\u0440\u0443\u044e \u0434\u0435\u043c\u043e\u0432\u0435\u0440\u0441\u0438\u0438 | ProHoster\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/1-5-shemy-na-otechestvennom-ipsec-vpn-testiruyu-demoversii\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2020-08-09T23:42:13+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-08-09T23:42:13+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd471.5 sch\u00e9mat na dom\u00e1c\u00edm IPsec VPN. 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