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Regression #11487

closed

IPsec tunnels using expanded IKE connection numbers do not have proper child SA names in ``swanctl.conf``

Added by Jim Pingle almost 4 years ago. Updated over 3 years ago.

Status:
Closed
Priority:
High
Assignee:
Jim Pingle
Category:
IPsec
Target version:
2.5.1
Start date:
02/20/2021
Due date:
% Done:

100%

Estimated time:
Plus Target Version:
Release Notes:
Default
Affected Version:
2.5.0
Affected Architecture:

Description

Tunnels with expanded IKE connection numbers (e.g. "con100000") are not forming proper child SA con numbers. The numerical part of the name (e.g. "100000") is missing in the child SA names.

Related to #9592

To me, I have a fix.

Files

ipsec-config-expandedike.xml (1.81 KB) ipsec-config-expandedike.xml Jim Pingle, 03/11/2021 03:03 PM
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 #1

Updated by Jim Pingle almost 4 years ago

  • Status changed from New to Feedback
  • % Done changed from 0 to 100
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 #2

Updated by Renato Botelho almost 4 years ago

  • Target version changed from CE-Next to 2.5.1
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 #3

Updated by Jim Pingle almost 4 years ago

To reproduce the problem, restore the attached IPsec config section to a system without IPsec. Edit/save/apply on the IPsec tunnel.

Check the generated /var/etc/ipsec/swanctl.conf file and it will have an incorrect child name (con0)

    con100000 {
        fragmentation = yes
        unique = replace
        version = 2
        proposals = aes128gcm128-aesxcbc-curve448
        dpd_delay = 10s
        dpd_timeout = 60s
        rekey_time = 25920s
        reauth_time = 25920s
        over_time = 2880s
        rand_time = 2880s
        encap = no
        mobike = no
        local_addrs = 198.51.100.15
        remote_addrs = 198.51.100.99
        pools = 
        local {
            id = 198.51.100.15
            auth = psk
        }
        remote {
            id = 198.51.100.99
            auth = psk
        }
        children {
            con0 {
                dpd_action = trap
                mode = tunnel
                policies = yes
                life_time = 3600s
                rekey_time = 3240s
                rand_time = 360s
                start_action = trap
                local_ts = 10.15.0.0/24
                remote_ts = 10.14.0.0/24
                esp_proposals = aes128gcm128-curve448
            }
        }
    }

On a snapshot with the fix, the same tunnel will have a child with the correct name, con100000:

            con100000 {
                dpd_action = trap
                mode = tunnel
                policies = yes
                life_time = 3600s
                rekey_time = 3240s
                rand_time = 360s
                start_action = trap
                local_ts = 10.6.0.0/24
                remote_ts = 10.14.0.0/24
                esp_proposals = aes128gcm128-curve448
            }
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 #4

Updated by Jim Pingle almost 4 years ago

  • Subject changed from IPsec tunnels using expanded IKE connection numbers are not getting proper child SA names to IPsec tunnels using expanded IKE connection numbers do not have proper child SA names in ``swanctl.conf``

Updating subject for release notes.

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 #5

Updated by Jim Pingle over 3 years ago

  • Status changed from Feedback to Closed
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