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ftp: enable tls session cache by default

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This commit is contained in:
Ivan Andreev 2021-06-05 05:34:57 +03:00
parent 29b8c71522
commit f37b25a2df
1 changed files with 12 additions and 0 deletions
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12
backend/ftp/ftp.go
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@ -116,6 +116,14 @@ Set to 0 to keep connections indefinitely.
Help: "Maximum time to wait for a response to close.",
Default: fs.Duration(60 * time.Second),
Advanced: true,
}, {
Name: "tls_cache_size",
Help: `Size of TLS session cache for all control and data connections.
TLS cache allows to resume TLS sessions and reuse PSK between connections.
Increase if default size is not enough resulting in TLS resumption errors.
Enabled by default. Use 0 to disable.`,
Default: 32,
Advanced: true,
}, {
Name: config.ConfigEncoding,
Help: config.ConfigEncodingHelp,
@ -146,6 +154,7 @@ type Options struct {
Port string `config:"port"`
TLS bool `config:"tls"`
ExplicitTLS bool `config:"explicit_tls"`
TLSCacheSize int `config:"tls_cache_size"`
Concurrency int `config:"concurrency"`
SkipVerifyTLSCert bool `config:"no_check_certificate"`
DisableEPSV bool `config:"disable_epsv"`
@ -434,6 +443,9 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (ff fs.Fs
ServerName: opt.Host,
InsecureSkipVerify: opt.SkipVerifyTLSCert,
}
if opt.TLSCacheSize > 0 {
tlsConfig.ClientSessionCache = tls.NewLRUClientSessionCache(opt.TLSCacheSize)
}
}
u := protocol + path.Join(dialAddr+"/", root)
ci := fs.GetConfig(ctx)