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Epson WorkForce Pro WF-C879R Administrator Guide - Page 75

Cannot Connect After Configuring IPsec/IP Filtering

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Cannot Connect After Configuring IPsec/IP Filtering The set value may be incorrect. Disable IPsec/IP filtering from the product's control panel. Connect from the computer and configure the IPsec/IP Filtering settings again. Parent topic: Solving Network Security Problems Cannot Access the Product After Configuring IEEE 802.1X If you cannot access the product after configuring it for IEEE 802.1X, disable IEEE 802.1X and Wi-Fi using the product control panel. Then connect the product to a computer and configure IEEE 802.1X using Web Config again. Parent topic: Solving Network Security Problems Solving Digital Certificate Problems Check these sections if you have problems using a digital certificate. Digital Certificate Warning Messages Cannot Import a Digital Certificate Cannot Update a Certificate or Create a CSR Deleted a CA-signed Certificate Parent topic: Solving Problems Digital Certificate Warning Messages If you see a warning message when using a digital certificate, check for solutions in this table. Message Enter a Server Certificate. CA Certificate 1 is not entered. Invalid value below. Invalid date and time. Invalid password Solution Select a certificate file and click Import. Import CA certificate 1 before importing additional certificates. Remove any unsupported characters in the file path and password. Set the date and time on the product using Web Config, EpsonNet Config, or the product control panel. Enter the password that matches the password set for the CA certificate. 75

Section	Page
Contents	3
Administrator's Guide	7
Using Web Config Network Configuration Software	8
About Web Config	8
Accessing Web Config	8
Restricting Features Available for Users	9
User Feature Restriction	10
Configuring User Feature Restrictions	10
Changing the Administrator Password in Web Config	12
Using Your Product on a Secure Network	13
Configuring SSL/TLS Communication	14
Configuring SSL/TLS Settings	14
Configuring a Server Certificate for the Product	15
Configuring IPsec/IP Filtering	16
About IPsec/IP Filtering	16
Configuring Default IPsec/IP Filtering Policy	16
Configuring Group IPsec/IP Filtering Policies	17
IPsec/IP Filtering Policy Settings	19
IPsec/IP Filtering Configuration Examples	24
Configuring an IPsec/IP Filtering Certificate	25
Configuring SNMPv3 Protocol Settings	26
SNMPv3 Settings	27
Configuring S/MIME Settings	28
Configuring S/MIME Basic Settings	28
S/MIME Settings	29
Configuring a Certificate for S/MIME	31
Importing the Encryption Certificate to an Email Destination	32
Connecting the Product to an IEEE 802.1X Network	33
Configuring an IEEE 802.1X Network	34
IEEE 802.1X Network Settings	35
Configuring a Certificate for an IEEE 802.1X Network	36
IEEE 802.1X Network Status	37
Using a Digital Certificate	37
About Digital Certification	38
Obtaining and Importing a CA-signed Certificate	38
CSR Setup Settings	40
CSR Import Settings	41
Deleting a CA-signed Certificate	42
Updating a Self-signed Certificate	42
Using an LDAP Server	43
Configuring the LDAP Server and Selecting Search Settings	44
LDAP Server Settings	45
LDAP Search Settings	47
Checking the LDAP Server Connection	48
LDAP Connection Report Messages	48
Configuring Protocols in Web Config	49
Protocol Settings	49
Using an Email Server	54
Configuring an Email Server	54
Email Server Settings	55
Checking the Email Server Connection	55
Email Server Connection Report Messages	56
Configuring Email Notification	58
Using EpsonNet Config Network Configuration Software	59
Installing EpsonNet Config	59
Configuring a Product IP Address Using EpsonNet Config	59
Using Epson Device Admin Configuration Software	61
Encrypting Passwords	62
Setting Up Password Encryption (WF-C878R)	62
Setting Up Password Encryption (WF-C879R)	63
Restoring the Password Encryption Key (WF-C879R)	64
Managing Data Retention	65
Erasing All Data from the Product (WF-C878R)	65
Erasing All Data from the Product (WF-C879R)	66
Changing the Auto Erase Settings (WF-C879R)	67
Solving Problems	69
Scanning Error Messages	69
Solving Network Software Usage Problems	71
Cannot Access Web Config	72
The \	72
\	72
Model Name or IP Address Not Displayed in EpsonNet Config	73
Solving Network Security Problems	73
Pre-Shared Key was Forgotten	73
Cannot Communicate with the Product Using IPsec Communication	73
Communication was Working, but Stopped	74
Cannot Create the Secure IPP Printing Port	74
Cannot Connect After Configuring IPsec/IP Filtering	75
Cannot Access the Product After Configuring IEEE 802.1X	75
Solving Digital Certificate Problems	75
Digital Certificate Warning Messages	75
Cannot Import a Digital Certificate	77
Cannot Update a Certificate or Create a CSR	77
Deleted a CA-signed Certificate	77
Where to Get Help	77
Notices	79
Trademarks	79
Copyright Notice	79