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限制统计系统和浏览器的最大长度，减少随机UserAgent攻击影响

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This commit is contained in:
刘祥超
2023-03-11 11:58:05 +08:00
parent 339f0f6e94
commit cc7cf5f8c5
1 changed files with 6 additions and 2 deletions
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8
internal/stats/http_request_stat_manager.go
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@@ -232,7 +232,9 @@ Loop:
if dotIndex > -1 { if dotIndex > -1 {
osInfo.Version = osInfo.Version[:dotIndex] osInfo.Version = osInfo.Version[:dotIndex]
} }
this.systemMap[serverId+"@"+osInfo.Name+"@"+osInfo.Version]++ if len(this.systemMap) < 100_000 { // 限制最大数据，防止攻击
this.systemMap[serverId+"@"+osInfo.Name+"@"+osInfo.Version]++
}
} }
var browser, browserVersion = result.BrowserName, result.BrowserVersion var browser, browserVersion = result.BrowserName, result.BrowserVersion
@@ -241,7 +243,9 @@ Loop:
if dotIndex > -1 { if dotIndex > -1 {
browserVersion = browserVersion[:dotIndex] browserVersion = browserVersion[:dotIndex]
} }
this.browserMap[serverId+"@"+browser+"@"+browserVersion]++ if len(this.browserMap) < 100_000 { // 限制最大数据，防止攻击
this.browserMap[serverId+"@"+browser+"@"+browserVersion]++
}
} }
case firewallRuleGroupString := <-this.firewallRuleGroupChan: case firewallRuleGroupString := <-this.firewallRuleGroupChan:
this.dailyFirewallRuleGroupMap[firewallRuleGroupString]++ this.dailyFirewallRuleGroupMap[firewallRuleGroupString]++