west:~# ping -n -c 4 192.0.2.254 PING 192.0.2.254 (192.0.2.254): 56 data bytes 64 bytes from 192.0.2.254: icmp_seq=0 ttl=257 time=999 ms 64 bytes from 192.0.2.254: icmp_seq=1 ttl=257 time=999 ms 64 bytes from 192.0.2.254: icmp_seq=2 ttl=257 time=999 ms 64 bytes from 192.0.2.254: icmp_seq=3 ttl=257 time=999 ms --- 192.0.2.254 ping statistics --- 4 packets transmitted, 4 packets received, 0% packet loss round-trip min/avg/max = 3.1/4.5/9.26 ms west:~# iptables -A INPUT -i eth1 -s 192.0.2.0/24 -j DROP west:~# ping -n -c 4 192.0.2.254 PING 192.0.2.254 (192.0.2.254): 56 data bytes --- 192.0.2.254 ping statistics --- 4 packets transmitted, 0 packets received, 100% packet loss west:~# TESTNAME=algo-pluto-08 west:~# source /testing/pluto/bin/westlocal.sh west:~# ipsec setup start ipsec_setup: Starting Libreswan IPsec VERSION west:~# ipsec auto --add westnet-eastnet-esp-null-alg west:~# /testing/pluto/basic-pluto-01/eroutewait.sh trap west:~# echo done done west:~# ipsec auto --up westnet-eastnet-esp-null-alg 104 "westnet-eastnet-esp-null-alg" #1: STATE_MAIN_I1: initiate 003 "westnet-eastnet-esp-null-alg" #1: received Vendor ID payload [Libreswan 003 "westnet-eastnet-esp-null-alg" #1: received Vendor ID payload [Dead Peer Detection] 106 "westnet-eastnet-esp-null-alg" #1: STATE_MAIN_I2: sent MI2, expecting MR2 108 "westnet-eastnet-esp-null-alg" #1: STATE_MAIN_I3: sent MI3, expecting MR3 004 "westnet-eastnet-esp-null-alg" #1: STATE_MAIN_I4: ISAKMP SA established {auth=OAKLEY_RSA_SIG cipher=null??? prf=oakley_sha group=modp2048} 117 "westnet-eastnet-esp-null-alg" #2: STATE_QUICK_I1: initiate 004 "westnet-eastnet-esp-null-alg" #2: STATE_QUICK_I2: sent QI2, IPsec SA established tunnel mode west:~# ipsec look west NOW 0.0.0.0/0 -> 0.0.0.0/0 => %trap 192.0.1.0/24 -> 192.0.2.0/24 => tun0xIPIP@192.1.2.23 esp0xESPSPI@192.1.2.23 ipsec0->eth1 mtu=16260(9999)->1500 tun0xTUN#@192.1.2.23 IPIP: dir=out src=192.1.2.45 natencap=none natsport=0 natdport=0 esp0xKLIPSPIK@192.1.2.23 ESP_AES_HMAC_SHA1: dir=out src=192.1.2.45 iv_bits=128bits iv=0xIVISFORRANDOM000IVISFORRANDOM000 ooowin=64 alen=160 aklen=160 eklen=256 natencap=none natsport=0 natdport=0 esp0xKLIPSPIK@192.1.2.45 ESP_AES_HMAC_SHA1: dir=in src=192.1.2.23 iv_bits=128bits iv=0xIVISFORRANDOM000IVISFORRANDOM000 ooowin=64 alen=160 aklen=160 eklen=256 natencap=none natsport=0 natdport=0 tun0xTUN#@192.1.2.45 IPIP: dir=in src=192.1.2.23 policy=192.0.2.0/24->192.0.1.0/24 flags=0x8<> natencap=none natsport=0 natdport=0 ROUTING TABLE 192.1.2.0/24 dev eth1 proto kernel scope link src 192.1.2.45 192.1.2.0/24 dev ipsec0 proto kernel scope link src 192.1.2.45 192.0.2.0/24 dev ipsec0 scope link 0.0.0.0/1 via 192.1.2.254 dev ipsec0 128.0.0.0/1 via 192.1.2.254 dev ipsec0 default via 192.1.2.254 dev eth1 west:~# echo done done west:~# west:~# ipsec look west NOW 0.0.0.0/0 -> 0.0.0.0/0 => %trap 192.0.1.0/24 -> 192.0.2.0/24 => tun0xIPIP@192.1.2.23 esp0xESPSPI@192.1.2.23 ipsec0->eth1 mtu=16260(9999)->1500 tun0xTUN#@192.1.2.23 IPIP: dir=out src=192.1.2.45 natencap=none natsport=0 natdport=0 esp0xKLIPSPIK@192.1.2.23 ESP_AES_HMAC_SHA1: dir=out src=192.1.2.45 iv_bits=128bits iv=0xIVISFORRANDOM000IVISFORRANDOM000 ooowin=64 alen=160 aklen=160 eklen=256 natencap=none natsport=0 natdport=0 tun0xTUN#@192.1.2.23 IPIP: dir=out src=192.1.2.45 natencap=none natsport=0 natdport=0 esp0xKLIPSPIK@192.1.2.23 ESP_AES_HMAC_SHA1: dir=out src=192.1.2.45 iv_bits=128bits iv=0xIVISFORRANDOM000IVISFORRANDOM000 ooowin=64 alen=160 aklen=160 eklen=256 natencap=none natsport=0 natdport=0 esp0xKLIPSPIK@192.1.2.45 ESP_AES_HMAC_SHA1: dir=in src=192.1.2.23 iv_bits=128bits iv=0xIVISFORRANDOM000IVISFORRANDOM000 ooowin=64 alen=160 aklen=160 eklen=256 natencap=none natsport=0 natdport=0 tun0xTUN#@192.1.2.45 IPIP: dir=in src=192.1.2.23 policy=192.0.2.0/24->192.0.1.0/24 flags=0x8<> natencap=none natsport=0 natdport=0 ROUTING TABLE 192.1.2.0/24 dev eth1 proto kernel scope link src 192.1.2.45 192.1.2.0/24 dev ipsec0 proto kernel scope link src 192.1.2.45 192.0.2.0/24 dev ipsec0 scope link 0.0.0.0/1 via 192.1.2.254 dev ipsec0 128.0.0.0/1 via 192.1.2.254 dev ipsec0 default via 192.1.2.254 dev eth1