* Nginx
* HAProxy

## Let's Encrypt { #lets-encrypt }

Before Let's Encrypt, these **HTTPS certificates** were sold by trusted third parties.

The process to acquire one of these certificates used to be cumbersome, require quite some paperwork and the certificates were quite expensive.

But then **<a href="https://letsencrypt.org/" class="external-link" target="_blank">Let's Encrypt</a>** was created.

func (m *Manager) Targets() []string {
	var res []string
	for k := range m.targets {
		res = append(res, k)
	}
	return res
}

// debugMsg should *only* be used by tests.
//
//lint:ignore U1000 This is used by tests.
func (m *Manager) debugMsg(d debugMsg, args ...any) {
	for _, c := range m.targets {
		c.debugMsg(d, args...)
	}
}

    protected static final Map<String, String> CANONICAL_PROTOCOLS = newHashMap();
    static {
        CANONICAL_PROTOCOLS.put("wsjar", "jar"); // Proprietary protocol used by WebSphere for jar files
        CANONICAL_PROTOCOLS.put("vfsfile", "file"); // Proprietary protocol used by JBossAS5 for file system
    }

    /**
     * Opens a URL and returns an {@link InputStream}.
     *
     * @param url

 * for the entrySet method to ensure language fields appear first in iteration order.
 * Used throughout the Fess search system for document data manipulation.
 *
 */
public class DocMap implements Map<String, Object> {

    /** The key used for language field identification */
    private static final String LANG_KEY = "lang";

    /** The underlying map that this DocMap wraps */

 * total combined across the variables maintaining the sum.
 *
 * <p>This class is usually preferable to {@link AtomicLong} when multiple threads update a common
 * sum that is used for purposes such as collecting statistics, not for fine-grained synchronization
 * control. Under low update contention, the two classes have similar characteristics. But under

 * They don't specify whether a specific proxy server should be used or how to authenticate with that proxy server.

        this.serviceName = serviceName;
    }

    /**
     * Create an authenticator using the given credentials
     *
     * This will create a JAAS configuration that is used to obtain a TGT.
     *
     * @param domain the domain for authentication
     * @param username the username for authentication
     * @param password the password for authentication
     */

     * <li>do a topo sort on the graph that remains.</li>
     * </ul>
     * @throws DuplicateProjectException if any projects are duplicated by id
     */
    // MAVENAPI FIXME: the DAG used is NOT only used to represent the dependency relation,
    // but also for <parent>, <build><plugin>, <reports>. We need multiple DAG's
    // since a DAG can only handle 1 type of relationship properly.

	defer ticker.Stop()
	for _, obs := range observations {
		// Send observations once every 1ms, to simulate delay between
		// observations. This is to test the channel based
		// synchronization used internally.
		<-ticker.C
		ttfbHist.With(prometheus.Labels{"api": obs.label}).Observe(obs.val)
	}

	metrics := getHistogramMetrics(ttfbHist, getBucketTTFBDistributionMD(), false, false)

	// When FileNameFunc is not specified, DefaultFilenameFunc will be used.
	FileNameFunc func() string

	// Compress specify if you want the logs to be compressed after rotation.
	Compress bool
}

// Writer is a concurrency-safe writer with file rotation.
type Writer struct {
	// opts are the configuration options for this Writer
	opts Options

	// f is the currently open file used for appends.