- What's New
- Function Overview
- Service Overview
- Billing
- Getting Started
-
User Guide
- Creating a User Group and Granting Permissions
- Checking the Dashboard
- Purchasing and Changing the Specifications of CFW
- Enabling Internet Border Traffic Protection
- Enabling VPC Border Traffic Protection
- Enabling NAT Gateway Traffic Protection
-
Configuring Access Control Policies to Control Traffic
- Access Control Policy Overview
- Configuring Protection Rules to Block or Allow Traffic
- Adding Blacklist or Whitelist Items to Block or Allow Traffic
- Viewing Protection Information Using the Policy Assistant
- Managing Access Control Policies
- Managing IP Address Groups
- Domain Name Management
- Service Group Management
- Attack Defense
- Viewing Traffic Statistics
- Viewing CFW Protection Logs
- System Management
- Permissions Management
- Using Cloud Eye to Monitor CFW
- CTS Auditing
-
Best Practices
- CFW Best Practice Summary
- Purchasing and Querying CFW via API
- Migrating Security Policies to CFW in Batches
- Configuration Suggestions for Using CFW with WAF, Advanced Anti-DDoS, and CDN
- Allowing Internet Traffic Only to a Specified Port
- Allowing Outbound Traffic from Cloud Resources Only to a Specified Domain Name
- Using CFW to Defend Against Network Attacks
- Configuring a Protection Rule to Protect Traffic Between Two VPCs
- Configuring a Protection Rule to Protect SNAT Traffic
- Using CFW to Protect Enterprise Resources
- Using CFW to Protect EIPs Across Accounts
- Using CFW to Protect VPCs Across Accounts
-
API Reference
- Before You Start
- API Overview
- API Calling
-
API
-
Firewall Management
- Creating a Firewall
- Obtaining the Status of a CFW Task
- Deleting a Firewall
- Querying the Firewall List
- Changing the East-West Firewall Protection Status
- Querying Firewall Details
- Obtaining East-West Firewall Information
- Creating an East-West Firewall
- Querying the Number of Protected VPCs
- Creating a Tag
- Deleting a Tag
- EIP Management
-
ACL Rule Management
- Creating an ACL Rule
- Deleting an ACL Rule
- Deleting ACL Rules in Batches
- Deleting the Number of Rule Hits
- Updating an ACL Rule
- Updating Rule Actions in Batches
- Setting the Priority of an ACL Protection Rule
- Querying a Protection Rule
- Querying Rule Tags
- Obtaining the Number of Rule Hits
- Viewing the Region List
- Checking the ACL Import Status
- Blacklist/Whitelist Management
- Address Group Management
- Service Group Management
-
Domain Name Resolution and Domain Name Group Management
- Adding a Domain Name Group
- Deleting a Domain Name Group
- Updating a Domain Name Group
- Updating the DNS Server List
- Querying the Domain Name Group List
- Querying the DNS Server List
- Querying an IP Address for Domain Name Resolution
- Obtain the list of domain names in a domain name group
- Adding a Domain Name List
- Deleting a Domain Name List
- Viewing Domain Group Details
- Obtaining the DNS Resolution Result of a Domain Name
- Deleting Domain Groups in Batches
- IPS management
- Log Management
- Packet Capture Management
- Antivirus Management
- Alarm Configuration Management
- Tag Management
- IPS Management
-
Firewall Management
- Appendix
- SDK Reference
-
FAQs
-
About the Product
- Does CFW Support Off-Cloud Servers?
- What Are the QPS, New Connections, and Concurrent Connections Supported by CFW?
- Can CFW Be Shared Across Accounts?
- What Are the Differences Between CFW and WAF?
- What Are the Differences Between CFW, Security Groups, and Network ACLs?
- How Does CFW Control Access?
- What Are the Priorities of the Protection Settings in CFW?
- Can WAF, Advanced Anti-DDoS, and CFW Be Deployed Together?
- Can CFW Protect Resources Across Enterprise Projects?
- How Long Are CFW Logs Stored by Default?
- Regions and AZs
-
Troubleshooting
- What Do I Do If Service Traffic is Abnormal?
- Why Are Traffic and Attack Logs Incomplete?
- Why Does a Protection Rule Not Take Effect?
- What Do I Do If IPS Blocks Normal Services?
- Why Is No Data Displayed on the Access Control Logs Page?
- Why Is the IP Address Translated Using NAT64 Blocked?
- Why Some Permissions Become Invalid After a System Policy Is Granted to an Enterprise Project?
- What Do I Do If a Message Indicating Insufficient Permissions Is Displayed When I Configure LTS Logs?
-
Network Traffic
- How Do I Calculate the Number of Protected VPCs and the Peak Protection Traffic at the VPC Border?
- How Does CFW Collect Traffic Statistics?
- What Is the Protection Bandwidth Provided by CFW?
- What Do I Do If My Service Traffic Exceeds the Protection Bandwidth?
- What Are the Differences Between the Data Displayed in Traffic Trend Module and the Traffic Analysis Page?
- How Do I Verify the Validity of an Outbound HTTP/HTTPS Domain Protection Rule?
- How Do I Obtain the Real IP Address of an Attacker?
- What Do I Do If a High Traffic Warning Is Received?
-
About the Product
- Videos
-
More Documents
-
User Guide (Ankara Region)
- Product Overview
- Checking the Dashboard
- Creating Cloud Firewall
- Enabling Internet Border Traffic Protection
- Enabling VPC Border Traffic Protection
-
Configuring Access Control Policies to Control Traffic
- Access Control Policy Overview
- Configuring Protection Rules to Block or Allow Traffic
- Adding Blacklist or Whitelist Items to Block or Allow Traffic
- Viewing Protection Information Using the Policy Assistant
- Managing Access Control Policies
- Managing IP Address Groups
- Domain Name Management
- Service Group Management
- Attack Defense
- Viewing Traffic Statistics
- Viewing CFW Protection Logs
- System Management
-
FAQs
-
About the Product
- Does CFW Support Off-Cloud Servers?
- What Are the QPS, New Connections, and Concurrent Connections Supported by CFW?
- Can CFW Be Shared Across Accounts?
- What Are the Differences Between CFW and WAF?
- What Are the Differences Between CFW, Security Groups, and Network ACLs?
- How Does CFW Control Access?
- What Are the Priorities of the Protection Settings in CFW?
- Can WAF and CFW Be Deployed Together?
- Troubleshooting
- Network Traffic
-
About the Product
- Change History
- API Reference (Ankara Region)
-
User Guide (Ankara Region)
- General Reference
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Connecting VPC1 and VPC-NAT to an Enterprise Router
This section describes how to connect VPC1 and VPC-NAT to an enterprise router.
Connecting VPC1 and VPC-NAT to an Enterprise Router
- Add VPC connections.
For details, see Adding VPC Attachments to an Enterprise Router.
NOTE:
Two connections need to be added. Set their Attached Resource to VPC1 and VPC-NAT, respectively.
- Create two route tables.
- In the upper left corner, click
and choose Networking > Enterprise Router. Click Manage Route Table.
- Create an association route table and a propagation route table, used for connecting to a protected VPC and a firewall, respectively.
Click the Route Tables tab. Click Create Route Table. For more information, see Table 1.
Table 1 Route table parameters Parameter
Description
Name
Route table name.
It must meet the following requirements:- Must contain 1 to 64 characters.
- Can contain letters, digits, underscores (_), hyphens (-), and periods (.).
Description
Route table description
Tag
During the route table creation, you can tag the route table resources. Tags identify cloud resources for purposes of easy categorization and quick search.
For details about tags, see Tag Overview.
- In the upper left corner, click
- Configure the association route table.
- Create an association between VPC1 and VPC-NAT. On the route table configuration page, click the Associations tab and click Create Association. For more information, see Table 2.
Table 2 Association parameters Parameter
Description
Attachment Type
Select VPC.
Attachment
Select the VPC attachment from the Attachment drop-down list.
NOTE:
Two associations need to be added. Set their Attachment to VPC1 and VPC-NAT attachments, respectively.
- Add a static route to the firewall. Click the Routes tab and click Create Route. For more information, see Table 3.
Figure 1 Creating a route
Table 3 Route parameters Parameter
Description
Destination
Set the destination address.
- If 0.0.0.0/0 is configured, all the traffic of the VPC is protected by CFW.
- If a CIDR block is configured, the traffic of the CIDR block is protected by CFW.
Blackhole Route
You are advised to disable this function. If it is enabled, the packets from a route that matches the destination address of the blackhole route will be discarded.
Attachment Type
Set Attachment Type to CFW instance.
Next Hop
Select the automatically generated firewall attachment cfw-er-auto-attach.
Description
(Optional) Description of a route.
- Create an association between VPC1 and VPC-NAT. On the route table configuration page, click the Associations tab and click Create Association. For more information, see Table 2.
- Configure the propagation route table.
- Add an association with the firewall. On the route table configuration page, click the Associations tab and click Create Association. For more information, see Table 4.
Figure 2 Creating an association
- Add a propagation with VPC1. Click the Propagations tab, and click Create Propagation. For more information, see Table 5.
Figure 3 Creating a propagation
- Add a static route to VPC-NAT. Click the Routes tab and click Create Route. For more information, see Table 6.
Table 6 Route parameters Parameter
Description
Destination
Set it to 0.0.0.0/0.
Blackhole Route
You are advised to disable this function. If it is enabled, the packets from a route that matches the destination address of the blackhole route will be discarded.
Attachment Type
Select VPC.
Next Hop
Select the VPC-NAT attachment from the drop-down list.
- Add an association with the firewall. On the route table configuration page, click the Associations tab and click Create Association. For more information, see Table 4.
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