Hello list,

after using ipsec for some years now, i never experienced an upgrade breaking it. But after after moving to 4.1 (new install) i can not get it to work anymore. I have copied the complete /etc/isakmpd directory from the 4.0 installation to the new one and also copied /etc/imakmpd/private/local.pub to /etc/isakmpd

Below is a snippet from the output of "isakmpd -d -DA=70" on my gateway:

The peer antbook3 is trying to establish a connection, but the local isakmpd cannot validate antbook3's cert. antbook3's installation has not changed at all. I have never seen the message "unable to get local issuer certificate" before.

111621.667743 Mesg 50 message_parse_payloads: offset 28 payload ID
111621.667812 Mesg 50 message_parse_payloads: offset 62 payload CERT
111621.667852 Mesg 50 message_parse_payloads: offset 799 payload SIG
111621.667924 Mesg 60 message_validate_payloads: payload ID at 0x8810241c of message 0x88f39500
111621.668011 Mesg 70 TYPE: 2
111621.668052 Mesg 70 DOI_DATA: 000000
111621.668128 Mesg 70 DATA:
111621.668210 Mesg 40 ipsec_validate_id_information: proto 0 port 0 type 2
111621.668251 Mesg 60 message_validate_payloads: payload CERT at 0x8810243e of message 0x88f39500
111621.668313 Mesg 70 ENCODING: X509_SIG
111621.668348 Mesg 70 DATA:
111621.668431 Mesg 60 message_validate_payloads: payload SIG at 0x8810271f of message 0x88f39500
111621.668503 Mesg 70 DATA:
111621.668542 Trpt 70 transport_release: freeing 0x813c5c40
111621.668617 Misc 30 ipsec_responder: phase 1 exchange 2 step 4
111621.668707 Negt 40 ike_phase_1_recv_ID: FQDN:
111621.668755 Negt 40 616e7462 6f6f6b33 2e616e74 2e756e69 2d627265 6d656e2e 6465
111621.668827 Cryp 70 x509_hash_find: no certificate matched query
111621.669061 Default x509_cert_validate: unable to get local issuer certificate
111621.669224 Default rsa_sig_decode_hash: received CERT can't be validated
111621.672638 Negt 50 get_raw_key_from_file: file /etc/isakmpd/pubkeys//fqdn/antbook3.ant.uni-bremen.de not found
111621.672685 Default rsa_sig_decode_hash: no public key found
111621.672731 Default dropped message from 172.21.113.59 port 500 due to notification type INVALID_ID_INFORMATION


Verifying the cert by hand:

[EMAIL PROTECTED] [/etc/isakmpd/certs] # openssl verify -CAfile ../ca/ca.crt antbook3.crt
antbook3.crt: OK
[EMAIL PROTECTED] [/etc/isakmpd/certs] # md5 ../ca/ca.crt
MD5 (../ca/ca.crt) = e83c31211832100dcd79ae6f4612cf00

Making sure that the gateway uses the same ca crt:
[EMAIL PROTECTED] [~] # md5 /etc/isakmpd/ca/ca.crt
MD5 (/etc/isakmpd/ca/ca.crt) = e83c31211832100dcd79ae6f4612cf00

I will happily post more information if needed, but i am unsure if i can post the output of "openssl x509 -text ..." of a cert. Would this enable someone else to use it?

Thanks for any hints

        Heinrich
--

Heinrich Rebehn

University of Bremen
Physics / Electrical and Electronics Engineering
- Department of Telecommunications -

Phone : +49/421/218-4664
Fax   :            -3341

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