[GH-ISSUE #3172] [Feature Request] frp配置的时候是否支持srv解析的域名 #2544

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opened 2026-05-05 13:38:17 -06:00 by gitea-mirror · 3 comments

gitea-mirror commented

2026-05-05 13:38:17 -06:00

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Originally created by @Gu-f on GitHub (Nov 17, 2022).
Original GitHub issue: https://github.com/fatedier/frp/issues/3172

Describe the feature request

配置frps.ini的时候需要指定ip和端口，但是在某些场景下，ip和端口用了srv进行dns解析，导致没有端口，只有个域名，这种情况下支持吗？如果当前不支持，是否考虑以后支持这种配置

Describe alternatives you've considered

No response

Affected area

Docs
Installation
Performance and Scalability
Security
User Experience
Test and Release
Developer Infrastructure
Client Plugin
Server Plugin
Extensions
Others

Originally created by @Gu-f on GitHub (Nov 17, 2022). Original GitHub issue: https://github.com/fatedier/frp/issues/3172 ### Describe the feature request 配置frps.ini的时候需要指定ip和端口，但是在某些场景下，ip和端口用了srv进行dns解析，导致没有端口，只有个域名，这种情况下支持吗？如果当前不支持，是否考虑以后支持这种配置 ### Describe alternatives you've considered _No response_ ### Affected area - [ ] Docs - [ ] Installation - [ ] Performance and Scalability - [ ] Security - [ ] User Experience - [ ] Test and Release - [ ] Developer Infrastructure - [ ] Client Plugin - [ ] Server Plugin - [X] Extensions - [ ] Others

gitea-mirror

2026-05-05 13:38:17 -06:00

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gitea-mirror commented

2026-05-05 13:38:20 -06:00

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@fatedier commented on GitHub (Nov 18, 2022):

没有计划支持。

@fatedier commented on GitHub (Nov 18, 2022): 没有计划支持。

gitea-mirror commented

2026-05-05 13:38:21 -06:00

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@github-actions[bot] commented on GitHub (Dec 19, 2022):

Issues go stale after 30d of inactivity. Stale issues rot after an additional 7d of inactivity and eventually close.

@github-actions[bot] commented on GitHub (Dec 19, 2022): Issues go stale after 30d of inactivity. Stale issues rot after an additional 7d of inactivity and eventually close.

gitea-mirror commented

2026-05-05 13:38:22 -06:00

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@wukan1986 commented on GitHub (Dec 13, 2025):

# pip install dnspython
import dns.rdatatype
import dns.rdtypes.IN.SRV
import dns.resolver


def query_srv_record(service, protocol, domain):
    """
    查询SRV记录
    格式: _service._protocol.domain
    例如: _sip._tcp.example.com
    """
    srv_domain = f"_{service}._{protocol}.{domain}"

    try:
        resolver = dns.resolver.Resolver()

        # 设置DNS服务器（可选）
        # resolver.nameservers = ['8.8.8.8']

        # 查询SRV记录
        answer = resolver.resolve(srv_domain, 'SRV')

        results = []
        for rdata in answer:
            # SRV记录包含：优先级、权重、端口、目标主机
            srv_info = {
                'priority': rdata.priority,
                'weight': rdata.weight,
                'port': rdata.port,
                'target': rdata.target.to_text().rstrip('.')
            }
            results.append(srv_info)

        # 按优先级和权重排序
        results.sort(key=lambda x: (x['priority'], -x['weight']))
        return results

    except dns.resolver.NoAnswer:
        print(f"没有找到SRV记录: {srv_domain}")
        return []
    except dns.resolver.NXDOMAIN:
        print(f"域名不存在: {srv_domain}")
        return []
    except Exception as e:
        print(f"查询失败: {e}")
        return []


# 使用示例
srv_records = query_srv_record('frp', 'tcp', 'frp.example.com')
for record in srv_records:
    print(f"目标: {record['target']}:{record['port']} (优先级: {record['priority']}, 权重: {record['weight']})")

toml = """
serverAddr = "{target}"
serverPort = {port}
auth.token = "frp.example.com"

[[proxies]]
name = "test"
type = "tcp"
localIP = "127.0.0.1"
localPort = 8080
remotePort = 7001

"""

toml = toml.format(target=srv_records[0]['target'], port=srv_records[0]['port'])
print(toml)

with open("frpc.toml", 'w', encoding='utf-8') as f:
    f.write(toml)

@fatedier 您好！

我自己实现了一个功能，提前写入toml文件，但感觉还是能支持SRV更好，比如在serverAddr和serverPort之外再提供一个serverSrv。

用这个能解决没有公网IPv4，但还需要提供frps服务的情况

@wukan1986 commented on GitHub (Dec 13, 2025): ```python # pip install dnspython import dns.rdatatype import dns.rdtypes.IN.SRV import dns.resolver def query_srv_record(service, protocol, domain): """ 查询SRV记录格式: _service._protocol.domain 例如: _sip._tcp.example.com """ srv_domain = f"_{service}._{protocol}.{domain}" try: resolver = dns.resolver.Resolver() # 设置DNS服务器（可选） # resolver.nameservers = ['8.8.8.8'] # 查询SRV记录 answer = resolver.resolve(srv_domain, 'SRV') results = [] for rdata in answer: # SRV记录包含：优先级、权重、端口、目标主机 srv_info = { 'priority': rdata.priority, 'weight': rdata.weight, 'port': rdata.port, 'target': rdata.target.to_text().rstrip('.') } results.append(srv_info) # 按优先级和权重排序 results.sort(key=lambda x: (x['priority'], -x['weight'])) return results except dns.resolver.NoAnswer: print(f"没有找到SRV记录: {srv_domain}") return [] except dns.resolver.NXDOMAIN: print(f"域名不存在: {srv_domain}") return [] except Exception as e: print(f"查询失败: {e}") return [] # 使用示例 srv_records = query_srv_record('frp', 'tcp', 'frp.example.com') for record in srv_records: print(f"目标: {record['target']}:{record['port']} (优先级: {record['priority']}, 权重: {record['weight']})") toml = """ serverAddr = "{target}" serverPort = {port} auth.token = "frp.example.com" [[proxies]] name = "test" type = "tcp" localIP = "127.0.0.1" localPort = 8080 remotePort = 7001 """ toml = toml.format(target=srv_records[0]['target'], port=srv_records[0]['port']) print(toml) with open("frpc.toml", 'w', encoding='utf-8') as f: f.write(toml) ``` @fatedier 您好！我自己实现了一个功能，提前写入toml文件，但感觉还是能支持SRV更好，比如在serverAddr和serverPort之外再提供一个serverSrv。用这个能解决没有公网IPv4，但还需要提供frps服务的情况