If you would like to supply addresses to your clients via IKE Mode Config, the DHCP plugin is one means by which StrongSwan can obtain those addresses. -----Original Message----- From: Users <[email protected]> On Behalf Of Christian Salway Sent: Thursday, May 3, 2018 4:27 PM To: Noel Kuntze <[email protected]> Cc: [email protected] Subject: Re: [strongSwan] DHCP!
So what is the purpose of the dhcp plugin then? > On 3 May 2018, at 18:52, Noel Kuntze > <[email protected]> wrote: > > The dhcp plugin or generally strongSwan has nothing to do with that. > Windows itself is supposed to make a DHCP request over the established > tunnel. Check what it sends with wireshark or tcpdump. > Use the information from the CorrectTrafficDump[1] page. > > > > [1] > https://secure-web.cisco.com/1_h6MioB9kRbPuO5b1NQmVwz1nqJkemt__rVJDcQQ > GwkgjLSHN9I9JoBZBEcAqjKD_5JA0ERTo8_VfvEFeKJB8dSX07lcvTeBS3AUT65L9TlZde > LnjMQ1tT7u2fooVfDiBZH_KQa--YuV0DEqLoHuthVgHmdogOWD5qk7juajhfoBk0ac4NP3 > y6GFGZMIpHdgAhdWxnlBSVRIhm2wqLbHNCjnnjo6yF3vAem0DrMfRD0Hh2JIgJNpGOQTSO > cOV1Td/https%3A%2F%2Fwiki.strongswan.org%2Fprojects%2Fstrongswan%2Fwik > i%2FCorrectTrafficDump > > On 03.05.2018 18:58, Christian Salway wrote: >> I have noticed that Windows 10 is not asking for DHCP though >> >> May 3 16:55:37 ip-10-0-5-202 charon-systemd[30549]: parsed IKE_AUTH >> request 1 [ IDi CERTREQ N(MOBIKE_SUP) CPRQ(ADDR DNS NBNS SRV ADDR6 >> DNS6 SRV6) SA TSi TSr ] >> >> >> >> Where as OSX is >> >> May 3 16:53:07 ip-10-0-5-202 charon-systemd[30505]: parsed IKE_AUTH >> request 1 [ IDi N(INIT_CONTACT) N(MOBIKE_SUP) IDr CPRQ(ADDR *DHCP* >> DNS MASK ADDR6 DHCP6 DNS6 (25)) N(ESP_TFC_PAD_N) N(NON_FIRST_FRAG) SA >> TSi TSr ] >> >> >> >> <http://secure-web.cisco.com/120V9LfMi3vtxE-5KjUz6POqa_DjZsebmPiWu-gf >> xO92VdCKYyGXPwa2b45TgV8ioDiU8hQxLJulX_e8gv6s2_huFqoLv6i8Dsb2GCAdc-eF8 >> XffvE55b-hODoMWYVgaZ1HxjZMxgoE_FIm4W8_fcqb400nhU2NJDK0g-xmbELy5ofDZm2 >> XJs1LOU4R8zJk0q861JtaOeyUMofB9Xcgb6HVJHloCiwQHD0hffI6sHpep-sGzj5Ja4Cj >> -hWoPlVrbgdshHYrh9sAnjKiyiz0M0RA/http%3A%2F%2Fwww.naimuri.com> >> >>> On 3 May 2018, at 17:34, Christian Salway <[email protected] >>> <mailto:[email protected]>> wrote: >>> >>> Hi, >>> >>> I've been trying to fix the (lack of) routing passed on to Windows 10 by >>> trying the DHCP answer found at >>> *Split-routing-on-Windows-10-and-Windows-10-Mobile* [1] but I cant get the >>> DHCP to work. strongSwan doesnt make any requests to it. >>> >>> I have installed and configured dnsmasq with just the options in the >>> support guide and dnsmasq is listening on tcp port 53 (DNS) and 67 (DHCP). >>> >>> I have rebuilt strongswan with dhcp support. >>> >>> >>> *$ /etc/dnsmasq.conf* >>> dhcp-vendorclass=set:msipsec,MSFT 5.0 >>> dhcp-range=tag:msipsec,192.168.103.0,static >>> dhcp-option=tag:msipsec,6 >>> dhcp-option=tag:msipsec,249, 0.0.0.0/1,0.0.0.0, 128.0.0.0/1,0.0.0.0 >>> >>> *$ netstat -tunlp* >>> Active Internet connections (only servers) >>> Proto Recv-Q Send-Q Local Address Foreign Address State >>> PID/Program name >>> *tcp 0 0 0.0.0.0:53 0.0.0.0:* LISTEN >>> 29951/dnsmasq * >>> tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN >>> 1143/sshd >>> tcp6 0 0 :::53 :::* LISTEN >>> 29951/dnsmasq >>> tcp6 0 0 :::22 :::* LISTEN >>> 1143/sshd >>> udp 0 0 0.0.0.0:4500 0.0.0.0:* >>> 30147/charon-system >>> udp 0 0 0.0.0.0:500 0.0.0.0:* >>> 30147/charon-system >>> udp 0 0 0.0.0.0:53 0.0.0.0:* >>> 29951/dnsmasq >>> *udp 0 0 0.0.0.0:67 0.0.0.0:* >>> 29951/dnsmasq * >>> udp 0 0 0.0.0.0:68 0.0.0.0:* >>> 30147/charon-system >>> udp 0 0 0.0.0.0:68 0.0.0.0:* >>> 1005/dhclient >>> udp6 0 0 :::4500 :::* >>> 30147/charon-system >>> udp6 0 0 :::500 :::* >>> 30147/charon-system >>> udp6 0 0 :::53 :::* >>> 29951/dnsmasq >>> >>> >>> *$ swanctl --stats* >>> ... >>> loaded plugins: charon-systemd charon-systemd aes openssl des rc2 >>> sha2 sha1 md4 md5 mgf1 random nonce x509 revocation constraints >>> pubkey pkcs1 pkcs7 pkcs8 pkcs12 pgp dnskey sshkey pem fips-prf gmp >>> curve25519 xcbc cmac hmac gcm curl attr kernel-netlink resolve >>> socket-default vici updown eap-identity eap-mschapv2 eap-dynamic >>> eap-tls xauth-generic *dhcp* >>> >>> *$ /etc/strongswan.d/charon/dhcp.conf * dhcp { >>> force_server_address = yes >>> load = yes >>> server = 10.0.15.255 >>> } >>> >>> *$ /etc/swanctl/conf.d/policy.conf* connections { >>> clients { >>> version = 2 >>> send_cert = always >>> encap = yes >>> unique = replace >>> proposals = aes256-sha256-prfsha256-modp2048-modp1024 >>> pools = pool1 >>> local { >>> id = vpnserver >>> certs = vpnserver.crt >>> } >>> remote { >>> auth = eap-mschapv2 >>> eap_id = %any >>> } >>> children { >>> net { >>> local_ts = 10.0.0.0/20 >>> } >>> } >>> } >>> } >>> pools { >>> pool1 { >>> addrs = 172.16.0.0/12 >>> subnet = 10.0.0.0/18 >>> dhcp = 10.0.5.202 >>> } >>> } >>> >>> The route I would expect to see on Windows 10 should simulate >>> >>> *route ADD 10.0.0.0 MASK 255.255.240.0 172.16.0.X* >>> >>> >>> *The connection log * >>> >>> May 3 16:27:58 ip-10-0-5-202 charon-systemd[30250]: IKE_SA rsa[1] >>> established between >>> 10.0.5.202[vpnserver1]...148.252.225.26[192.168.1.31] >>> May 3 16:27:58 ip-10-0-5-202 charon-systemd[30250]: scheduling >>> rekeying in 13750s May 3 16:27:58 ip-10-0-5-202 >>> charon-systemd[30250]: maximum IKE_SA lifetime 15190s May 3 >>> 16:27:58 ip-10-0-5-202 charon-systemd[30250]: peer requested virtual IP >>> %any May 3 16:27:58 ip-10-0-5-202 charon-systemd[30250]: assigning new >>> lease to 'christian.salway.naimuri.com >>> <http://secure-web.cisco.com/1Yi0OeQn6DNH6kLciMwZ265LSqlcOKczgBrZjGcCgMMFtREQdb-V2MnYt3GbmmvPGy3JgBPwGLu1PILj00Io081AvpITV2pjxWsQq1fkOhowVXrcB_blZvthUm09PVCTV58uHkYA-R8zQSHcxsXaqa7w8yNwPap972zOB3hXWdKOKGEY1Kf1LhkEi-zv9GiBHzGU1oF10bltHd7DJGo-OP1Xp4xmTe1kguxd_bdU2YLbZp8du70LE1JsLDjq05qhs/http%3A%2F%2Fchristian.salway.naimuri.com%2F>' >>> May 3 16:27:58 ip-10-0-5-202 charon-systemd[30250]: assigning virtual IP >>> 172.16.0.1 to peer 'christian.salway.naimuri.com >>> <http://secure-web.cisco.com/1Yi0OeQn6DNH6kLciMwZ265LSqlcOKczgBrZjGcCgMMFtREQdb-V2MnYt3GbmmvPGy3JgBPwGLu1PILj00Io081AvpITV2pjxWsQq1fkOhowVXrcB_blZvthUm09PVCTV58uHkYA-R8zQSHcxsXaqa7w8yNwPap972zOB3hXWdKOKGEY1Kf1LhkEi-zv9GiBHzGU1oF10bltHd7DJGo-OP1Xp4xmTe1kguxd_bdU2YLbZp8du70LE1JsLDjq05qhs/http%3A%2F%2Fchristian.salway.naimuri.com%2F>' >>> May 3 16:27:58 ip-10-0-5-202 charon-systemd[30250]: peer requested >>> virtual IP %any6 May 3 16:27:58 ip-10-0-5-202 charon-systemd[30250]: no >>> virtual IP found for %any6 requested by 'christian.salway.naimuri.com >>> <http://secure-web.cisco.com/1Yi0OeQn6DNH6kLciMwZ265LSqlcOKczgBrZjGcCgMMFtREQdb-V2MnYt3GbmmvPGy3JgBPwGLu1PILj00Io081AvpITV2pjxWsQq1fkOhowVXrcB_blZvthUm09PVCTV58uHkYA-R8zQSHcxsXaqa7w8yNwPap972zOB3hXWdKOKGEY1Kf1LhkEi-zv9GiBHzGU1oF10bltHd7DJGo-OP1Xp4xmTe1kguxd_bdU2YLbZp8du70LE1JsLDjq05qhs/http%3A%2F%2Fchristian.salway.naimuri.com%2F>' >>> May 3 16:27:58 ip-10-0-5-202 charon-systemd[30250]: CHILD_SA net{1} >>> established with SPIs cac7b9af_i 02fc4cb2_o and TS 10.0.0.0/18 === >>> 172.16.0.1/32 May 3 16:27:58 ip-10-0-5-202 charon-systemd[30250]: >>> generating IKE_AUTH response 5 [ AUTH CPRP(ADDR SUBNET DHCP) SA TSi >>> TSr N(MOBIKE_SUP) N(NO_ADD_ADDR) ] >>> >>> >>> [1] >>> https://secure-web.cisco.com/1SoYE_B8oPkYsHXCWLgk0vAhDMGerHeeyGnWSju >>> 1ZBYAEuGwEt7dkOyCtxw_U-aLXmfzKLajEyinghQSbAqqArS_s29AErnnlZ-q1Jfgn4n >>> wq8SM3Bt2RAj_BhvKXfrW8GuHzZprojk9tKyTuEL-y1AjSjoNBhrXX5FAlrWmmSyge2u >>> ybEOiZUIhHM7RTGfDV4aQOeNDbARZZx2OMC28hgLxLlDIWxC8nGdetSb6Jd9Fh3E8aNg >>> vd7ZpGh7Vs3inJ/https%3A%2F%2Fwiki.strongswan.org%2Fprojects%2Fstrong >>> swan%2Fwiki%2FWindows7#Split-routing-on-Windows-10-and-Windows-10-Mo >>> bile >>
