ZyXEL Communications unified security gateway manual 762

Appendix A Log Descriptions

Table 246 myZyXEL.com Logs (continued)

LOG MESSAGE	DESCRIPTION
Content-Filter	The content filtering service period has expired. The device
service has expired.	can find this through either a service expiration day check via
	MyZyXEL.com server or by the device’s own count.
Unknown TLS/SSL	The device only supports SSLv3 protocol. %d: SSL version
version: %d.	assigned by client.
Load trusted root	The device needs to load the trusted root certificate before
certificates has	the device can verify a server's certificate. This log displays if
failed.	the device failed to load it.
Certificate has	Verification of a server’s certificate failed because it has
expired.	expired.
Self signed	Verification of a server’s certificate failed because it is self-
certificate.	signed.
Self signed	Verification of a server’s certificate failed because there is a
certificate in	self-signed certificate in the server’s certificate chain.
certificate chain.
Verify peer	The device verified a server’s certificate while processing an
certificates has	HTTPS connection.
succeeded.
Certification	Verification of a server’s certificate failed while processing an
verification failed:	HTTPS connection. This log identifies the reason for the
Depth: %d, Error	failure.
Number(%d):%s.	1st %d: certificate chain level
	2nd %d: error number
	%s: error message
Certificate issuer	Verification of the specified certificate failed because the
name:%s.	device could not get the certificate’s issuer name. %s is the
	certificate name.
The wrong format for	The header format of a packet returned by a server is wrong.
HTTP header.
Timeout for get server	After the device sent packets to a server, the device did not
response.	receive any response from the server. The root cause may be
	a network delay issue.
Download file size is	The file size downloaded for AS is not identical with content-
wrong.	length
Parse HTTP header has	Device can't parse the HTTP header in a response returned by
failed.	a server. Maybe some HTTP headers are missing.

Table 247 IKE Logs

LOG MESSAGE	DESCRIPTION
Peer has not announced	The remote IPSec router has not announced its dead peer
DPD capability	detection (DPD) capability to this device.
[COOKIE] Invalid	Cannot find SA according to the cookie.
cookie, no sa found

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	ZyWALL USG 20/20W User’s Guide