Table of Contents
Racoon IPsec Configuration
Linux racoon IPsec daemon can be configured through /etc/config/racoon. This document is in an adanced beta state.
Sections
racoon
| Name | Type | Required | Default | Description |
|---|---|---|---|---|
| foreground | boolean | no | 0 | Start racoon in foreground if set to 1 |
| debug | boolean | no | 0 | Activate racoon debugging if set to 1 |
| listen | list | no | (not set) | List which interfaces racoon should listen on. Uses all interfaces if not set. |
| zone | string | no | vpn | Firewall zone. Has to match the defined firewall zone |
| dns | string | no | (none) | IP address of DNS server published to road warrior clients |
| domain | string | no | (none) | Domain name assigned to virtual network interface of road warrior clients |
tunnel
Contains tunnel definition.
| Name | Type | Required | Default | Description |
|---|---|---|---|---|
| enabled | boolean | yes | (none) | Configuration is enabled or not |
| remote | ipaddr | yes | (none) | IP address or FQDN name of the tunnel remote endpoint. Use anonymous for road warrior setup |
| remote_device | string | no | (none) | setting used for optimise racoon.conf generation when remote peer is Cisco ASA |
| exchange_mode | string | yes | (none) | Phase 1 negotiation (main, aggressive) |
| pre_shared_key | string | yes | (none) | The preshared key for the tunnel |
| my_identifier_type | string | no | fqdn | identifier type for phase 1 (fqdn, user_fqdn) |
| my_identifier | string | no | (none) | identifier for phase 1 |
| certificate | string | no | (none) | Certificate name for phase 1 when using certificate authentication |
| p1_proposal | list | yes | (none) | Name of phase 1 proposal (see below) |
| sainfo | list | yes | (none) | Name of phase 2 section (see below) |
| dpd_delay | integer | no | (none) | This option activates the DPD and sets the time (in seconds) allowed between 2 proof of liveliness requests |
p1_proposal
Definition of phase 1 proposals
| Name | Type | Required | Default | Description |
|---|---|---|---|---|
| lifetime | integer | no | 28800 | Lifetime of phase 1 in seconds |
| encryption_algorithm | string | yes | (none) | Phase 1 encryption method (aes 128, aes 192, aes 256, 3des) |
| hash_alogrithm | string | yes | (none) | Phase 1 hash alogrithm (md5,sha1) |
| authentication_method | string | yes | (none) | Allowed values pre_shared_key, rsasig, xauth_psk_server or xauth_rsa_server |
| dh_group | string | yes | (none) | Diffie-Hellman exponentiation (either number 2,5,… or name modp768,… |
sainfo
Contains network defintion per tunnel.
| Name | Type | Required | Default | Description |
|---|---|---|---|---|
| local_subnet | subnet | yes | (none) | Local network |
| remote_subnet | subnet | yes | (none) | Remote network |
| local_nat | subnet | no | (none) | NAT range for tunnels with overlapping IP addresses |
| p2_proposal | string | yes | (none) | link to phase 2 proposal |
p2_proposal
Definition of phase 2 proposal
| Name | Type | Required | Default | Description |
|---|---|---|---|---|
| pfs_group | string | yes | (none) | Comma separated list of of Diffie-Hellman exponentiations (you can omit this, when peer is Cisco ASA) |
| lifetime | integer | no | 3600 | Lifetime of phase 2 in seconds |
| encryption_algorithm | string | yes | (none) | Comma separaeted list of encryption algorithms (aes 128, aes 192, aes 256, 3des) |
| authentication_algorithm | string | yes | (none) | Comma separated list of authentications (hmac_md5, hmac_sha1) |
certificate
Stores a certificate
| Name | Type | Required | Default | Description |
|---|---|---|---|---|
| crt | string | yes | (none) | RSA certificate |
| key | string | no | (none) | Private key for RSA certificate |
Examples
Example 1 taken from the IPSec site to site howto.
config 'racoon' option 'foreground' '0' option 'zone' 'vpn' list 'listen' 'wan' config 'tunnel' 'acme' option 'enabled' '1' option 'remote' '7.7.7.7' option 'pre_shared_key' 'yourpasswordhere' option 'exchange_mode' 'aggressive' option 'my_identifier' 'bratwurst' list 'p1_proposal' 'pre_g2_aes_sha1' list 'sainfo' 'acme_dmz' list 'sainfo' 'acme_lan' config 'p1_proposal' 'pre_g2_aes_sha1' option 'encryption_algorithm' 'aes 128' option 'hash_algorithm' 'sha1' option 'authentication_method' 'pre_shared_key' option 'dh_group' '2' config 'sainfo' 'acme_lan' option 'local_subnet' '192.168.2.64/26' option 'remote_subnet' '10.1.2.0/24' option 'p2_proposal' 'g2_aes_sha1' config 'sainfo' 'acme_dmz' option 'local_subnet' '192.168.2.64/26' option 'remote_subnet' '66.77.88.192/26' option 'p2_proposal' 'g2_aes_sha1' config 'p2_proposal' 'g2_aes_sha1' option 'pfs_group' '2' option 'encryption_algorithm' 'aes 128' option 'authentication_algorithm' 'hmac_sha1'
Example 2 taken from the IPSec with certificates howto.
config 'racoon' option 'foreground' '0' option 'debug' '0' config 'tunnel' 'acme' option 'enabled' '1' option 'remote' '7.7.7.7' option 'exchange_mode' 'aggressive' option 'certificate' 'openwrt' list 'p1_proposal' 'rsa_g2_aes_sha1' list 'sainfo' 'acme_lan' config 'sainfo' 'acme_lan' option 'local_subnet' '192.168.213.64/26' option 'remote_subnet' '192.168.10.0/24' option 'p2_proposal' 'g2_aes_sha1' config 'p1_proposal' 'rsa_g2_aes_sha1' option 'lifetime' '28800' option 'encryption_algorithm' 'aes 128' option 'hash_algorithm' 'sha1' option 'authentication_method' 'rsasig' option 'dh_group' '2' config 'p2_proposal' 'g2_aes_sha1' option 'pfs_group' '2' option 'lifetime' '3600' option 'encryption_algorithm' 'aes 128' option 'authentication_algorithm' 'hmac_sha1' config 'certificate' 'acme_root' option 'crt' '-----BEGIN CERTIFICATE-----MIIGADCCA+igAwIBAgIJAI6xsXSYVD9NMA0GCSqGSI...' config 'certificate' 'openwrt' option 'key' '-----BEGIN RSA PRIVATE KEY-----MIIJKAIBAAKCAgEAqMFzhBNsUyOGYmXGoHSq...' option 'crt' '-----BEGIN CERTIFICATE-----MIIE7DCCAtQCAQEwDQYJKoZIhvcNAQEFBQAwasff...'
Windows Native VPN Client Proposals
The following table lists the phase 1 proposals offered by the Windows native VPN client (as tested with Windows 7)
| Proposal | Encryption | Hash | DH Group |
|---|---|---|---|
| #1 | aes 256 | sha1 | 20 |
| #2 | aes 128 | sha1 | 19 |
| #3 | aes 256 | sha1 | modp2048 |
| #4 | 3des | sha1 | modp2048 |
| #5 | 3des | sha1 | modp1024 |
doc/uci/racoon.txt · Last modified: 2013/04/10 20:05 by xenophonf
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