Alertmanager 支持基本身份验证和 TLS。这是实验性功能，未来可能会有所改变。
目前 TLS 支持 HTTP 流量和 gossip 流量。
要指定加载哪个 Web 配置文件，请使用 --web.config.file 标志。
该文件采用YAML 格式编写，由下述方案定义。方括号表示参数是可选的。对于非列表参数，其值设置为指定的默认值。
该文件在每次 HTTP 请求时读取，因此配置和证书的任何更改都会立即生效。
通用占位符定义如下：
<boolean>: 可取值 true 或 false 的布尔值<filename>: 当前工作目录中的有效路径<secret>: 一个常规字符串，是秘密信息，例如密码<string>: 一个常规字符串tls_server_config:
# Certificate and key files for server to use to authenticate to client.
cert_file: <filename>
key_file: <filename>
# Server policy for client authentication. Maps to ClientAuth Policies.
# For more detail on clientAuth options:
# https://golang.ac.cn/pkg/crypto/tls/#ClientAuthType
#
# NOTE: If you want to enable client authentication, you need to use
# RequireAndVerifyClientCert. Other values are insecure.
[ client_auth_type: <string> | default = "NoClientCert" ]
# CA certificate for client certificate authentication to the server.
[ client_ca_file: <filename> ]
# Minimum TLS version that is acceptable.
[ min_version: <string> | default = "TLS12" ]
# Maximum TLS version that is acceptable.
[ max_version: <string> | default = "TLS13" ]
# List of supported cipher suites for TLS versions up to TLS 1.2. If empty,
# Go default cipher suites are used. Available cipher suites are documented
# in the go documentation:
# https://golang.ac.cn/pkg/crypto/tls/#pkg-constants
#
# Note that only the cipher returned by the following function are supported:
# https://pkg.go.dev/crypto/tls#CipherSuites
[ cipher_suites:
[ - <string> ] ]
# prefer_server_cipher_suites controls whether the server selects the
# client's most preferred ciphersuite, or the server's most preferred
# ciphersuite. If true then the server's preference, as expressed in
# the order of elements in cipher_suites, is used.
[ prefer_server_cipher_suites: <bool> | default = true ]
# Elliptic curves that will be used in an ECDHE handshake, in preference
# order. Available curves are documented in the go documentation:
# https://golang.ac.cn/pkg/crypto/tls/#CurveID
[ curve_preferences:
[ - <string> ] ]
http_server_config:
# Enable HTTP/2 support. Note that HTTP/2 is only supported with TLS.
# This can not be changed on the fly.
[ http2: <boolean> | default = true ]
# List of headers that can be added to HTTP responses.
[ headers:
# Set the Content-Security-Policy header to HTTP responses.
# Unset if blank.
[ Content-Security-Policy: <string> ]
# Set the X-Frame-Options header to HTTP responses.
# Unset if blank. Accepted values are deny and sameorigin.
# https://mdn.org.cn/en-US/docs/Web/HTTP/Headers/X-Frame-Options
[ X-Frame-Options: <string> ]
# Set the X-Content-Type-Options header to HTTP responses.
# Unset if blank. Accepted value is nosniff.
# https://mdn.org.cn/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options
[ X-Content-Type-Options: <string> ]
# Set the X-XSS-Protection header to all responses.
# Unset if blank.
# https://mdn.org.cn/en-US/docs/Web/HTTP/Headers/X-XSS-Protection
[ X-XSS-Protection: <string> ]
# Set the Strict-Transport-Security header to HTTP responses.
# Unset if blank.
# Please make sure that you use this with care as this header might force
# browsers to load Prometheus and the other applications hosted on the same
# domain and subdomains over HTTPS.
# https://mdn.org.cn/en-US/docs/Web/HTTP/Headers/Strict-Transport-Security
[ Strict-Transport-Security: <string> ] ]
# Usernames and hashed passwords that have full access to the web
# server via basic authentication. If empty, no basic authentication is
# required. Passwords are hashed with bcrypt.
basic_auth_users:
[ <string>: <secret> ... ]
要指定是否对 gossip 使用双向 TLS，请使用 --cluster.tls-config 标志。
gossip 的服务端和客户端是可配置的。
tls_server_config:
# Certificate and key files for server to use to authenticate to client.
cert_file: <filename>
key_file: <filename>
# Server policy for client authentication. Maps to ClientAuth Policies.
# For more detail on clientAuth options:
# https://golang.ac.cn/pkg/crypto/tls/#ClientAuthType
[ client_auth_type: <string> | default = "NoClientCert" ]
# CA certificate for client certificate authentication to the server.
[ client_ca_file: <filename> ]
# Minimum TLS version that is acceptable.
[ min_version: <string> | default = "TLS12" ]
# Maximum TLS version that is acceptable.
[ max_version: <string> | default = "TLS13" ]
# List of supported cipher suites for TLS versions up to TLS 1.2. If empty,
# Go default cipher suites are used. Available cipher suites are documented
# in the go documentation:
# https://golang.ac.cn/pkg/crypto/tls/#pkg-constants
[ cipher_suites:
[ - <string> ] ]
# prefer_server_cipher_suites controls whether the server selects the
# client's most preferred ciphersuite, or the server's most preferred
# ciphersuite. If true then the server's preference, as expressed in
# the order of elements in cipher_suites, is used.
[ prefer_server_cipher_suites: <bool> | default = true ]
# Elliptic curves that will be used in an ECDHE handshake, in preference
# order. Available curves are documented in the go documentation:
# https://golang.ac.cn/pkg/crypto/tls/#CurveID
[ curve_preferences:
[ - <string> ] ]
tls_client_config:
# Path to the CA certificate with which to validate the server certificate.
[ ca_file: <filepath> ]
# Certificate and key files for client cert authentication to the server.
[ cert_file: <filepath> ]
[ key_file: <filepath> ]
# Server name extension to indicate the name of the server.
# http://tools.ietf.org/html/rfc4366#section-3.1
[ server_name: <string> ]
# Disable validation of the server certificate.
[ insecure_skip_verify: <boolean> | default = false]
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